Home / 89,545.28-123,572.77-49,262.11

Finding the Fourth Proportional to 89,545.28, 123,572.77 and 49,262.11

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Solution

The fourth proportional to 89,545.28, 123,572.77 and 49,262.11 is: 67,981.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,545.28 : 123,572.77 = 49,262.11 : x
  2. Step 2: Convert to fraction form
    89,545.28/123,572.77 = 49,262.11/x
  3. Step 3: Cross multiply
    89,545.28x = 123,572.77 × 49,262.11
  4. Step 4: Simplify right side
    89,545.28x = 6,087,455,388.74
  5. Step 5: Solve for x
    x = 6,087,455,388.74/89,545.28
  6. Step 6: Final answer
    x = 67,981.87

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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.