Home / 89,780.57-123,897.55-49,493.44

Finding the Fourth Proportional to 89,780.57, 123,897.55 and 49,493.44

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Solution

The fourth proportional to 89,780.57, 123,897.55 and 49,493.44 is: 68,301.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,780.57 : 123,897.55 = 49,493.44 : x
  2. Step 2: Convert to fraction form
    89,780.57/123,897.55 = 49,493.44/x
  3. Step 3: Cross multiply
    89,780.57x = 123,897.55 × 49,493.44
  4. Step 4: Simplify right side
    89,780.57x = 6,132,115,337.58
  5. Step 5: Solve for x
    x = 6,132,115,337.58/89,780.57
  6. Step 6: Final answer
    x = 68,301.14

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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.