Home / 87,294.67-131,187.23-51,761.08

Finding the Fourth Proportional to 87,294.67, 131,187.23 and 51,761.08

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Solution

The fourth proportional to 87,294.67, 131,187.23 and 51,761.08 is: 77,787.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,294.67 : 131,187.23 = 51,761.08 : x
  2. Step 2: Convert to fraction form
    87,294.67/131,187.23 = 51,761.08/x
  3. Step 3: Cross multiply
    87,294.67x = 131,187.23 × 51,761.08
  4. Step 4: Simplify right side
    87,294.67x = 6,790,392,707.01
  5. Step 5: Solve for x
    x = 6,790,392,707.01/87,294.67
  6. Step 6: Final answer
    x = 77,787.03

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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.