Home / 89,753.92-123,857.76-51,519.04

Finding the Fourth Proportional to 89,753.92, 123,857.76 and 51,519.04

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Solution

The fourth proportional to 89,753.92, 123,857.76 and 51,519.04 is: 71,094.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,753.92 : 123,857.76 = 51,519.04 : x
  2. Step 2: Convert to fraction form
    89,753.92/123,857.76 = 51,519.04/x
  3. Step 3: Cross multiply
    89,753.92x = 123,857.76 × 51,519.04
  4. Step 4: Simplify right side
    89,753.92x = 6,381,032,891.75
  5. Step 5: Solve for x
    x = 6,381,032,891.75/89,753.92
  6. Step 6: Final answer
    x = 71,094.75

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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.