Home / 69,371.62-95,729.52-40,687.36

Finding the Fourth Proportional to 69,371.62, 95,729.52 and 40,687.36

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Solution

The fourth proportional to 69,371.62, 95,729.52 and 40,687.36 is: 56,146.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,371.62 : 95,729.52 = 40,687.36 : x
  2. Step 2: Convert to fraction form
    69,371.62/95,729.52 = 40,687.36/x
  3. Step 3: Cross multiply
    69,371.62x = 95,729.52 × 40,687.36
  4. Step 4: Simplify right side
    69,371.62x = 3,894,981,442.87
  5. Step 5: Solve for x
    x = 3,894,981,442.87/69,371.62
  6. Step 6: Final answer
    x = 56,146.61

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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.