Home / 69,940.31-96,517.10-38,108.52

Finding the Fourth Proportional to 69,940.31, 96,517.10 and 38,108.52

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Solution

The fourth proportional to 69,940.31, 96,517.10 and 38,108.52 is: 52,589.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,940.31 : 96,517.10 = 38,108.52 : x
  2. Step 2: Convert to fraction form
    69,940.31/96,517.10 = 38,108.52/x
  3. Step 3: Cross multiply
    69,940.31x = 96,517.10 × 38,108.52
  4. Step 4: Simplify right side
    69,940.31x = 3,678,123,930.96
  5. Step 5: Solve for x
    x = 3,678,123,930.96/69,940.31
  6. Step 6: Final answer
    x = 52,589.48

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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.