Home / 82,562.40-123,840.24-38,174.56

Finding the Fourth Proportional to 82,562.40, 123,840.24 and 38,174.56

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Solution

The fourth proportional to 82,562.40, 123,840.24 and 38,174.56 is: 57,260.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,562.40 : 123,840.24 = 38,174.56 : x
  2. Step 2: Convert to fraction form
    82,562.40/123,840.24 = 38,174.56/x
  3. Step 3: Cross multiply
    82,562.40x = 123,840.24 × 38,174.56
  4. Step 4: Simplify right side
    82,562.40x = 4,727,546,672.29
  5. Step 5: Solve for x
    x = 4,727,546,672.29/82,562.40
  6. Step 6: Final answer
    x = 57,260.29

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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.