Home / 82,822.68-124,168.20-36,042.75

Finding the Fourth Proportional to 82,822.68, 124,168.20 and 36,042.75

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Solution

The fourth proportional to 82,822.68, 124,168.20 and 36,042.75 is: 54,035.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,822.68 : 124,168.20 = 36,042.75 : x
  2. Step 2: Convert to fraction form
    82,822.68/124,168.20 = 36,042.75/x
  3. Step 3: Cross multiply
    82,822.68x = 124,168.20 × 36,042.75
  4. Step 4: Simplify right side
    82,822.68x = 4,475,363,390.55
  5. Step 5: Solve for x
    x = 4,475,363,390.55/82,822.68
  6. Step 6: Final answer
    x = 54,035.48

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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.