Home / 82,761.24-124,044.63-38,294.04

Finding the Fourth Proportional to 82,761.24, 124,044.63 and 38,294.04

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Solution

The fourth proportional to 82,761.24, 124,044.63 and 38,294.04 is: 57,396.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,761.24 : 124,044.63 = 38,294.04 : x
  2. Step 2: Convert to fraction form
    82,761.24/124,044.63 = 38,294.04/x
  3. Step 3: Cross multiply
    82,761.24x = 124,044.63 × 38,294.04
  4. Step 4: Simplify right side
    82,761.24x = 4,750,170,023.01
  5. Step 5: Solve for x
    x = 4,750,170,023.01/82,761.24
  6. Step 6: Final answer
    x = 57,396.07

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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.