Home / 89,732.61-123,836.43-49,446.32

Finding the Fourth Proportional to 89,732.61, 123,836.43 and 49,446.32

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Solution

The fourth proportional to 89,732.61, 123,836.43 and 49,446.32 is: 68,238.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,732.61 : 123,836.43 = 49,446.32 : x
  2. Step 2: Convert to fraction form
    89,732.61/123,836.43 = 49,446.32/x
  3. Step 3: Cross multiply
    89,732.61x = 123,836.43 × 49,446.32
  4. Step 4: Simplify right side
    89,732.61x = 6,123,255,126.26
  5. Step 5: Solve for x
    x = 6,123,255,126.26/89,732.61
  6. Step 6: Final answer
    x = 68,238.91

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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.