Finding the Fourth Proportional to 89,711.06, 134,474.24 and 39,814.65
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Solution
The fourth proportional to 89,711.06, 134,474.24 and 39,814.65 is: 59,680.99
Step by Step Solution
- Step 1: Write the proportion equation
89,711.06 : 134,474.24 = 39,814.65 : x - Step 2: Convert to fraction form
89,711.06/134,474.24 = 39,814.65/x - Step 3: Cross multiply
89,711.06x = 134,474.24 × 39,814.65 - Step 4: Simplify right side
89,711.06x = 5,354,044,600.54 - Step 5: Solve for x
x = 5,354,044,600.54/89,711.06 - Step 6: Final answer
x = 59,680.99
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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.