Home / 89,713.10-134,570.68-38,414.86

Finding the Fourth Proportional to 89,713.10, 134,570.68 and 38,414.86

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Solution

The fourth proportional to 89,713.10, 134,570.68 and 38,414.86 is: 57,622.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,713.10 : 134,570.68 = 38,414.86 : x
  2. Step 2: Convert to fraction form
    89,713.10/134,570.68 = 38,414.86/x
  3. Step 3: Cross multiply
    89,713.10x = 134,570.68 × 38,414.86
  4. Step 4: Simplify right side
    89,713.10x = 5,169,513,832.30
  5. Step 5: Solve for x
    x = 5,169,513,832.30/89,713.10
  6. Step 6: Final answer
    x = 57,622.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.