The first second and fourth terms of a proportion are 4 12 and 72 respectively What is the third ter...........

Quantitative Aptitude (CDS) Ratio, Proportion

The first, second, and fourth terms of a proportion are 4,12, and 72 respectively. What is the third term?

Let the third term be x
then 4,12,x,72 are in proportion i.e, 4:12 :: x:72
4×72 = 12×x
x=24

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