Home / 68,779.38-94,932.40-41,936.66

Finding the Fourth Proportional to 68,779.38, 94,932.40 and 41,936.66

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Solution

The fourth proportional to 68,779.38, 94,932.40 and 41,936.66 is: 57,882.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,779.38 : 94,932.40 = 41,936.66 : x
  2. Step 2: Convert to fraction form
    68,779.38/94,932.40 = 41,936.66/x
  3. Step 3: Cross multiply
    68,779.38x = 94,932.40 × 41,936.66
  4. Step 4: Simplify right side
    68,779.38x = 3,981,147,781.78
  5. Step 5: Solve for x
    x = 3,981,147,781.78/68,779.38
  6. Step 6: Final answer
    x = 57,882.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.