Home / 89,781.46-123,899.28-49,496.80

Finding the Fourth Proportional to 89,781.46, 123,899.28 and 49,496.80

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Solution

The fourth proportional to 89,781.46, 123,899.28 and 49,496.80 is: 68,306.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,781.46 : 123,899.28 = 49,496.80 : x
  2. Step 2: Convert to fraction form
    89,781.46/123,899.28 = 49,496.80/x
  3. Step 3: Cross multiply
    89,781.46x = 123,899.28 × 49,496.80
  4. Step 4: Simplify right side
    89,781.46x = 6,132,617,882.30
  5. Step 5: Solve for x
    x = 6,132,617,882.30/89,781.46
  6. Step 6: Final answer
    x = 68,306.06

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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.