Home / 83,961.40-125,912.70-24,781.40

Finding the Fourth Proportional to 83,961.40, 125,912.70 and 24,781.40

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Solution

The fourth proportional to 83,961.40, 125,912.70 and 24,781.40 is: 37,163.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,961.40 : 125,912.70 = 24,781.40 : x
  2. Step 2: Convert to fraction form
    83,961.40/125,912.70 = 24,781.40/x
  3. Step 3: Cross multiply
    83,961.40x = 125,912.70 × 24,781.40
  4. Step 4: Simplify right side
    83,961.40x = 3,120,292,983.78
  5. Step 5: Solve for x
    x = 3,120,292,983.78/83,961.40
  6. Step 6: Final answer
    x = 37,163.42

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1.5x scale

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.