Home / 82,380.46-123,580.29-29,814.70

Finding the Fourth Proportional to 82,380.46, 123,580.29 and 29,814.70

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Solution

The fourth proportional to 82,380.46, 123,580.29 and 29,814.70 is: 44,725.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,380.46 : 123,580.29 = 29,814.70 : x
  2. Step 2: Convert to fraction form
    82,380.46/123,580.29 = 29,814.70/x
  3. Step 3: Cross multiply
    82,380.46x = 123,580.29 × 29,814.70
  4. Step 4: Simplify right side
    82,380.46x = 3,684,508,505.29
  5. Step 5: Solve for x
    x = 3,684,508,505.29/82,380.46
  6. Step 6: Final answer
    x = 44,725.52

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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.