Home / 89,589.14-123,569.30-74,227.22

Finding the Fourth Proportional to 89,589.14, 123,569.30 and 74,227.22

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Solution

The fourth proportional to 89,589.14, 123,569.30 and 74,227.22 is: 102,380.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,589.14 : 123,569.30 = 74,227.22 : x
  2. Step 2: Convert to fraction form
    89,589.14/123,569.30 = 74,227.22/x
  3. Step 3: Cross multiply
    89,589.14x = 123,569.30 × 74,227.22
  4. Step 4: Simplify right side
    89,589.14x = 9,172,205,616.35
  5. Step 5: Solve for x
    x = 9,172,205,616.35/89,589.14
  6. Step 6: Final answer
    x = 102,380.78

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1.5x scale

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.