Home / 82,422.30-123,601.09-29,102.90

Finding the Fourth Proportional to 82,422.30, 123,601.09 and 29,102.90

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Solution

The fourth proportional to 82,422.30, 123,601.09 and 29,102.90 is: 43,642.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,422.30 : 123,601.09 = 29,102.90 : x
  2. Step 2: Convert to fraction form
    82,422.30/123,601.09 = 29,102.90/x
  3. Step 3: Cross multiply
    82,422.30x = 123,601.09 × 29,102.90
  4. Step 4: Simplify right side
    82,422.30x = 3,597,149,398.64
  5. Step 5: Solve for x
    x = 3,597,149,398.64/82,422.30
  6. Step 6: Final answer
    x = 43,642.92

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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.