Finding the Fourth Proportional to 107,538.04, 161,306.70 and 27,575.92
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Solution
The fourth proportional to 107,538.04, 161,306.70 and 27,575.92 is: 41,363.79
Step by Step Solution
- Step 1: Write the proportion equation
107,538.04 : 161,306.70 = 27,575.92 : x - Step 2: Convert to fraction form
107,538.04/161,306.70 = 27,575.92/x - Step 3: Cross multiply
107,538.04x = 161,306.70 × 27,575.92 - Step 4: Simplify right side
107,538.04x = 4,448,180,654.66 - Step 5: Solve for x
x = 4,448,180,654.66/107,538.04 - Step 6: Final answer
x = 41,363.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.