Home / 87,855.15-131,795.60-27,863.61

Finding the Fourth Proportional to 87,855.15, 131,795.60 and 27,863.61

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Solution

The fourth proportional to 87,855.15, 131,795.60 and 27,863.61 is: 41,799.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,855.15 : 131,795.60 = 27,863.61 : x
  2. Step 2: Convert to fraction form
    87,855.15/131,795.60 = 27,863.61/x
  3. Step 3: Cross multiply
    87,855.15x = 131,795.60 × 27,863.61
  4. Step 4: Simplify right side
    87,855.15x = 3,672,301,058.80
  5. Step 5: Solve for x
    x = 3,672,301,058.80/87,855.15
  6. Step 6: Final answer
    x = 41,799.50

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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.