Home / 89,517.03-123,531.12-49,234.92

Finding the Fourth Proportional to 89,517.03, 123,531.12 and 49,234.92

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Solution

The fourth proportional to 89,517.03, 123,531.12 and 49,234.92 is: 67,942.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,517.03 : 123,531.12 = 49,234.92 : x
  2. Step 2: Convert to fraction form
    89,517.03/123,531.12 = 49,234.92/x
  3. Step 3: Cross multiply
    89,517.03x = 123,531.12 × 49,234.92
  4. Step 4: Simplify right side
    89,517.03x = 6,082,044,810.71
  5. Step 5: Solve for x
    x = 6,082,044,810.71/89,517.03
  6. Step 6: Final answer
    x = 67,942.88

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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.