Home / 83,540.90-125,337.32-27,381.50

Finding the Fourth Proportional to 83,540.90, 125,337.32 and 27,381.50

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Solution

The fourth proportional to 83,540.90, 125,337.32 and 27,381.50 is: 41,080.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,540.90 : 125,337.32 = 27,381.50 : x
  2. Step 2: Convert to fraction form
    83,540.90/125,337.32 = 27,381.50/x
  3. Step 3: Cross multiply
    83,540.90x = 125,337.32 × 27,381.50
  4. Step 4: Simplify right side
    83,540.90x = 3,431,923,827.58
  5. Step 5: Solve for x
    x = 3,431,923,827.58/83,540.90
  6. Step 6: Final answer
    x = 41,080.76

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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.