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Finding the Fourth Proportional to 88,927.29, 133,391.17 and 36,336.78

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Solution

The fourth proportional to 88,927.29, 133,391.17 and 36,336.78 is: 54,505.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,927.29 : 133,391.17 = 36,336.78 : x
  2. Step 2: Convert to fraction form
    88,927.29/133,391.17 = 36,336.78/x
  3. Step 3: Cross multiply
    88,927.29x = 133,391.17 × 36,336.78
  4. Step 4: Simplify right side
    88,927.29x = 4,847,005,115.20
  5. Step 5: Solve for x
    x = 4,847,005,115.20/88,927.29
  6. Step 6: Final answer
    x = 54,505.26

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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.