Home / 89,540.34-123,565.96-49,257.16

Finding the Fourth Proportional to 89,540.34, 123,565.96 and 49,257.16

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Solution

The fourth proportional to 89,540.34, 123,565.96 and 49,257.16 is: 67,975.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,540.34 : 123,565.96 = 49,257.16 : x
  2. Step 2: Convert to fraction form
    89,540.34/123,565.96 = 49,257.16/x
  3. Step 3: Cross multiply
    89,540.34x = 123,565.96 × 49,257.16
  4. Step 4: Simplify right side
    89,540.34x = 6,086,508,432.92
  5. Step 5: Solve for x
    x = 6,086,508,432.92/89,540.34
  6. Step 6: Final answer
    x = 67,975.05

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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.