Home / 117,331.38-175,979.25-38,443.86

Finding the Fourth Proportional to 117,331.38, 175,979.25 and 38,443.86

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Solution

The fourth proportional to 117,331.38, 175,979.25 and 38,443.86 is: 57,659.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,331.38 : 175,979.25 = 38,443.86 : x
  2. Step 2: Convert to fraction form
    117,331.38/175,979.25 = 38,443.86/x
  3. Step 3: Cross multiply
    117,331.38x = 175,979.25 × 38,443.86
  4. Step 4: Simplify right side
    117,331.38x = 6,765,321,649.91
  5. Step 5: Solve for x
    x = 6,765,321,649.91/117,331.38
  6. Step 6: Final answer
    x = 57,659.95

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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.