Home / 82,617.57-123,974.28-35,230.14

Finding the Fourth Proportional to 82,617.57, 123,974.28 and 35,230.14

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Solution

The fourth proportional to 82,617.57, 123,974.28 and 35,230.14 is: 52,865.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,617.57 : 123,974.28 = 35,230.14 : x
  2. Step 2: Convert to fraction form
    82,617.57/123,974.28 = 35,230.14/x
  3. Step 3: Cross multiply
    82,617.57x = 123,974.28 × 35,230.14
  4. Step 4: Simplify right side
    82,617.57x = 4,367,631,240.80
  5. Step 5: Solve for x
    x = 4,367,631,240.80/82,617.57
  6. Step 6: Final answer
    x = 52,865.65

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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.