Question

625:100::125:x. find the value of x

Answer 1

☆ Answer :-

It is given that 625 : 100 :: 125 : x.

• $\fbox{\purple{\bf{Product \: of \: extremes \: = \: Product \: of \: means}}}$

$\dashrightarrow{\sf{625 × x = 100 \: × \:125}}$

$\dashrightarrow{\sf{x = \large\frac{100 \; × \:125}{625} }}$

${\sf{ \: \ \qquad = \large\frac{100}{5} }}$

${\sf{ \: \ \qquad = 20}}$

$\underline\pink{\textsf{\textbf{Hence, \: x = 20.}}}$