Home / 68,948.30-95,145.45-38,319.97

Finding the Fourth Proportional to 68,948.30, 95,145.45 and 38,319.97

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Solution

The fourth proportional to 68,948.30, 95,145.45 and 38,319.97 is: 52,879.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,948.30 : 95,145.45 = 38,319.97 : x
  2. Step 2: Convert to fraction form
    68,948.30/95,145.45 = 38,319.97/x
  3. Step 3: Cross multiply
    68,948.30x = 95,145.45 × 38,319.97
  4. Step 4: Simplify right side
    68,948.30x = 3,645,970,789.64
  5. Step 5: Solve for x
    x = 3,645,970,789.64/68,948.30
  6. Step 6: Final answer
    x = 52,879.78

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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.