Home / 89,616.43-123,673.97-49,331.89

Finding the Fourth Proportional to 89,616.43, 123,673.97 and 49,331.89

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Solution

The fourth proportional to 89,616.43, 123,673.97 and 49,331.89 is: 68,079.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,616.43 : 123,673.97 = 49,331.89 : x
  2. Step 2: Convert to fraction form
    89,616.43/123,673.97 = 49,331.89/x
  3. Step 3: Cross multiply
    89,616.43x = 123,673.97 × 49,331.89
  4. Step 4: Simplify right side
    89,616.43x = 6,101,070,683.90
  5. Step 5: Solve for x
    x = 6,101,070,683.90/89,616.43
  6. Step 6: Final answer
    x = 68,079.82

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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.