Home / 87,947.94-131,843.04-31,774.86

Finding the Fourth Proportional to 87,947.94, 131,843.04 and 31,774.86

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Solution

The fourth proportional to 87,947.94, 131,843.04 and 31,774.86 is: 47,633.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,947.94 : 131,843.04 = 31,774.86 : x
  2. Step 2: Convert to fraction form
    87,947.94/131,843.04 = 31,774.86/x
  3. Step 3: Cross multiply
    87,947.94x = 131,843.04 × 31,774.86
  4. Step 4: Simplify right side
    87,947.94x = 4,189,294,137.97
  5. Step 5: Solve for x
    x = 4,189,294,137.97/87,947.94
  6. Step 6: Final answer
    x = 47,633.79

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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.