Home / 82,310.73-123,409.92-39,593.61

Finding the Fourth Proportional to 82,310.73, 123,409.92 and 39,593.61

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Solution

The fourth proportional to 82,310.73, 123,409.92 and 39,593.61 is: 59,363.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,310.73 : 123,409.92 = 39,593.61 : x
  2. Step 2: Convert to fraction form
    82,310.73/123,409.92 = 39,593.61/x
  3. Step 3: Cross multiply
    82,310.73x = 123,409.92 × 39,593.61
  4. Step 4: Simplify right side
    82,310.73x = 4,886,244,242.61
  5. Step 5: Solve for x
    x = 4,886,244,242.61/82,310.73
  6. Step 6: Final answer
    x = 59,363.39

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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.