Finding the Fourth Proportional to 88,561.21, 132,812.92 and 29,380.99
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Solution
The fourth proportional to 88,561.21, 132,812.92 and 29,380.99 is: 44,061.90
Step by Step Solution
- Step 1: Write the proportion equation
88,561.21 : 132,812.92 = 29,380.99 : x - Step 2: Convert to fraction form
88,561.21/132,812.92 = 29,380.99/x - Step 3: Cross multiply
88,561.21x = 132,812.92 × 29,380.99 - Step 4: Simplify right side
88,561.21x = 3,902,175,074.39 - Step 5: Solve for x
x = 3,902,175,074.39/88,561.21 - Step 6: Final answer
x = 44,061.90
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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.