Home / 87,944.40-131,838.30-31,772.25

Finding the Fourth Proportional to 87,944.40, 131,838.30 and 31,772.25

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Solution

The fourth proportional to 87,944.40, 131,838.30 and 31,772.25 is: 47,630.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,944.40 : 131,838.30 = 31,772.25 : x
  2. Step 2: Convert to fraction form
    87,944.40/131,838.30 = 31,772.25/x
  3. Step 3: Cross multiply
    87,944.40x = 131,838.30 × 31,772.25
  4. Step 4: Simplify right side
    87,944.40x = 4,188,799,427.18
  5. Step 5: Solve for x
    x = 4,188,799,427.18/87,944.40
  6. Step 6: Final answer
    x = 47,630.09

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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.