Home / 82,864.60-124,340.10-36,122.20

Finding the Fourth Proportional to 82,864.60, 124,340.10 and 36,122.20

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Solution

The fourth proportional to 82,864.60, 124,340.10 and 36,122.20 is: 54,202.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,864.60 : 124,340.10 = 36,122.20 : x
  2. Step 2: Convert to fraction form
    82,864.60/124,340.10 = 36,122.20/x
  3. Step 3: Cross multiply
    82,864.60x = 124,340.10 × 36,122.20
  4. Step 4: Simplify right side
    82,864.60x = 4,491,437,960.22
  5. Step 5: Solve for x
    x = 4,491,437,960.22/82,864.60
  6. Step 6: Final answer
    x = 54,202.13

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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.