Home / 87,854.95-131,795.30-27,863.42

Finding the Fourth Proportional to 87,854.95, 131,795.30 and 27,863.42

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Solution

The fourth proportional to 87,854.95, 131,795.30 and 27,863.42 is: 41,799.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,854.95 : 131,795.30 = 27,863.42 : x
  2. Step 2: Convert to fraction form
    87,854.95/131,795.30 = 27,863.42/x
  3. Step 3: Cross multiply
    87,854.95x = 131,795.30 × 27,863.42
  4. Step 4: Simplify right side
    87,854.95x = 3,672,266,999.63
  5. Step 5: Solve for x
    x = 3,672,266,999.63/87,854.95
  6. Step 6: Final answer
    x = 41,799.21

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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.