Home / 82,625.24-123,931.38-30,046.52

Finding the Fourth Proportional to 82,625.24, 123,931.38 and 30,046.52

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Solution

The fourth proportional to 82,625.24, 123,931.38 and 30,046.52 is: 45,067.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,625.24 : 123,931.38 = 30,046.52 : x
  2. Step 2: Convert to fraction form
    82,625.24/123,931.38 = 30,046.52/x
  3. Step 3: Cross multiply
    82,625.24x = 123,931.38 × 30,046.52
  4. Step 4: Simplify right side
    82,625.24x = 3,723,706,687.80
  5. Step 5: Solve for x
    x = 3,723,706,687.80/82,625.24
  6. Step 6: Final answer
    x = 45,067.42

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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.