Home / 89,545.91-123,563.07-49,255.90

Finding the Fourth Proportional to 89,545.91, 123,563.07 and 49,255.90

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Solution

The fourth proportional to 89,545.91, 123,563.07 and 49,255.90 is: 67,967.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,545.91 : 123,563.07 = 49,255.90 : x
  2. Step 2: Convert to fraction form
    89,545.91/123,563.07 = 49,255.90/x
  3. Step 3: Cross multiply
    89,545.91x = 123,563.07 × 49,255.90
  4. Step 4: Simplify right side
    89,545.91x = 6,086,209,910.71
  5. Step 5: Solve for x
    x = 6,086,209,910.71/89,545.91
  6. Step 6: Final answer
    x = 67,967.48

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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.