Home / 82,737.20-124,112.04-25,803.92

Finding the Fourth Proportional to 82,737.20, 124,112.04 and 25,803.92

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Solution

The fourth proportional to 82,737.20, 124,112.04 and 25,803.92 is: 38,707.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,737.20 : 124,112.04 = 25,803.92 : x
  2. Step 2: Convert to fraction form
    82,737.20/124,112.04 = 25,803.92/x
  3. Step 3: Cross multiply
    82,737.20x = 124,112.04 × 25,803.92
  4. Step 4: Simplify right side
    82,737.20x = 3,202,577,151.20
  5. Step 5: Solve for x
    x = 3,202,577,151.20/82,737.20
  6. Step 6: Final answer
    x = 38,707.83

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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.