Finding the Fourth Proportional to 71,881.23, 107,842.67 and 29,753.53
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Solution
The fourth proportional to 71,881.23, 107,842.67 and 29,753.53 is: 44,638.92
Step by Step Solution
- Step 1: Write the proportion equation
71,881.23 : 107,842.67 = 29,753.53 : x - Step 2: Convert to fraction form
71,881.23/107,842.67 = 29,753.53/x - Step 3: Cross multiply
71,881.23x = 107,842.67 × 29,753.53 - Step 4: Simplify right side
71,881.23x = 3,208,700,117.13 - Step 5: Solve for x
x = 3,208,700,117.13/71,881.23 - Step 6: Final answer
x = 44,638.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.