Home / 82,284.62-123,401.36-29,687.28

Finding the Fourth Proportional to 82,284.62, 123,401.36 and 29,687.28

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Solution

The fourth proportional to 82,284.62, 123,401.36 and 29,687.28 is: 44,521.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,284.62 : 123,401.36 = 29,687.28 : x
  2. Step 2: Convert to fraction form
    82,284.62/123,401.36 = 29,687.28/x
  3. Step 3: Cross multiply
    82,284.62x = 123,401.36 × 29,687.28
  4. Step 4: Simplify right side
    82,284.62x = 3,663,450,726.70
  5. Step 5: Solve for x
    x = 3,663,450,726.70/82,284.62
  6. Step 6: Final answer
    x = 44,521.69

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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.