Home / 89,542.11-123,565.49-49,255.85

Finding the Fourth Proportional to 89,542.11, 123,565.49 and 49,255.85

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Solution

The fourth proportional to 89,542.11, 123,565.49 and 49,255.85 is: 67,971.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,542.11 : 123,565.49 = 49,255.85 : x
  2. Step 2: Convert to fraction form
    89,542.11/123,565.49 = 49,255.85/x
  3. Step 3: Cross multiply
    89,542.11x = 123,565.49 × 49,255.85
  4. Step 4: Simplify right side
    89,542.11x = 6,086,322,723.64
  5. Step 5: Solve for x
    x = 6,086,322,723.64/89,542.11
  6. Step 6: Final answer
    x = 67,971.63

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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.