Home / 68,949.80-95,147.52-38,321.47

Finding the Fourth Proportional to 68,949.80, 95,147.52 and 38,321.47

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Solution

The fourth proportional to 68,949.80, 95,147.52 and 38,321.47 is: 52,881.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,949.80 : 95,147.52 = 38,321.47 : x
  2. Step 2: Convert to fraction form
    68,949.80/95,147.52 = 38,321.47/x
  3. Step 3: Cross multiply
    68,949.80x = 95,147.52 × 38,321.47
  4. Step 4: Simplify right side
    68,949.80x = 3,646,192,833.25
  5. Step 5: Solve for x
    x = 3,646,192,833.25/68,949.80
  6. Step 6: Final answer
    x = 52,881.85

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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.