Home / 82,578.27-123,850.34-52,174.17

Finding the Fourth Proportional to 82,578.27, 123,850.34 and 52,174.17

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Solution

The fourth proportional to 82,578.27, 123,850.34 and 52,174.17 is: 78,250.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,578.27 : 123,850.34 = 52,174.17 : x
  2. Step 2: Convert to fraction form
    82,578.27/123,850.34 = 52,174.17/x
  3. Step 3: Cross multiply
    82,578.27x = 123,850.34 × 52,174.17
  4. Step 4: Simplify right side
    82,578.27x = 6,461,788,432.85
  5. Step 5: Solve for x
    x = 6,461,788,432.85/82,578.27
  6. Step 6: Final answer
    x = 78,250.47

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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.