Home / 89,618.01-123,676.39-49,335.53

Finding the Fourth Proportional to 89,618.01, 123,676.39 and 49,335.53

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Solution

The fourth proportional to 89,618.01, 123,676.39 and 49,335.53 is: 68,084.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,618.01 : 123,676.39 = 49,335.53 : x
  2. Step 2: Convert to fraction form
    89,618.01/123,676.39 = 49,335.53/x
  3. Step 3: Cross multiply
    89,618.01x = 123,676.39 × 49,335.53
  4. Step 4: Simplify right side
    89,618.01x = 6,101,639,414.91
  5. Step 5: Solve for x
    x = 6,101,639,414.91/89,618.01
  6. Step 6: Final answer
    x = 68,084.97

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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.