Question

In each of the following proportions find the missing term:
(a) 50: 75 :: X: 72
(b) 60: 105 :: 24 ​

Answer 1

Answer:

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$\frac{50}{75} = \frac{x}{72} \\ \\ = > 75x = 50 \times 72 \\ \\ = > 75x = 3600 \\ \\ = > x = \frac{3600}{75} \\ \\ = > x = 48$

$2) \: \frac{60}{105} = \frac{24}{x} \\ \\ = > 60x = 24 \times 105 \\ \\ = > 60x = 2520 \\ \\ = > x = \frac{2520}{60} \\ \\ = > x = 42$

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