Finding the Fourth Proportional to 88,694.36, 133,073.02 and 55,375.80
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Solution
The fourth proportional to 88,694.36, 133,073.02 and 55,375.80 is: 83,083.35
Step by Step Solution
- Step 1: Write the proportion equation
88,694.36 : 133,073.02 = 55,375.80 : x - Step 2: Convert to fraction form
88,694.36/133,073.02 = 55,375.80/x - Step 3: Cross multiply
88,694.36x = 133,073.02 × 55,375.80 - Step 4: Simplify right side
88,694.36x = 7,369,024,940.92 - Step 5: Solve for x
x = 7,369,024,940.92/88,694.36 - Step 6: Final answer
x = 83,083.35
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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.