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Finding the Fourth Proportional to 88,800.50, 132,552.95 and 77,590.30

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Solution

The fourth proportional to 88,800.50, 132,552.95 and 77,590.30 is: 115,819.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,800.50 : 132,552.95 = 77,590.30 : x
  2. Step 2: Convert to fraction form
    88,800.50/132,552.95 = 77,590.30/x
  3. Step 3: Cross multiply
    88,800.50x = 132,552.95 × 77,590.30
  4. Step 4: Simplify right side
    88,800.50x = 10,284,822,437.05
  5. Step 5: Solve for x
    x = 10,284,822,437.05/88,800.50
  6. Step 6: Final answer
    x = 115,819.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.