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Finding the Fourth Proportional to 89,825.92, 123,949.92 and 52,092.88

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Solution

The fourth proportional to 89,825.92, 123,949.92 and 52,092.88 is: 71,882.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,825.92 : 123,949.92 = 52,092.88 : x
  2. Step 2: Convert to fraction form
    89,825.92/123,949.92 = 52,092.88/x
  3. Step 3: Cross multiply
    89,825.92x = 123,949.92 × 52,092.88
  4. Step 4: Simplify right side
    89,825.92x = 6,456,908,308.57
  5. Step 5: Solve for x
    x = 6,456,908,308.57/89,825.92
  6. Step 6: Final answer
    x = 71,882.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.