Home / 82,540.82-123,808.86-23,376.38

Finding the Fourth Proportional to 82,540.82, 123,808.86 and 23,376.38

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Solution

The fourth proportional to 82,540.82, 123,808.86 and 23,376.38 is: 35,063.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,540.82 : 123,808.86 = 23,376.38 : x
  2. Step 2: Convert to fraction form
    82,540.82/123,808.86 = 23,376.38/x
  3. Step 3: Cross multiply
    82,540.82x = 123,808.86 × 23,376.38
  4. Step 4: Simplify right side
    82,540.82x = 2,894,202,958.73
  5. Step 5: Solve for x
    x = 2,894,202,958.73/82,540.82
  6. Step 6: Final answer
    x = 35,063.90

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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.