Home / 89,529.20-123,553.28-49,246.08

Finding the Fourth Proportional to 89,529.20, 123,553.28 and 49,246.08

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Solution

The fourth proportional to 89,529.20, 123,553.28 and 49,246.08 is: 67,961.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,529.20 : 123,553.28 = 49,246.08 : x
  2. Step 2: Convert to fraction form
    89,529.20/123,553.28 = 49,246.08/x
  3. Step 3: Cross multiply
    89,529.20x = 123,553.28 × 49,246.08
  4. Step 4: Simplify right side
    89,529.20x = 6,084,514,711.14
  5. Step 5: Solve for x
    x = 6,084,514,711.14/89,529.20
  6. Step 6: Final answer
    x = 67,961.23

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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.