Home / 87,105.60-130,659.12-27,941.76

Finding the Fourth Proportional to 87,105.60, 130,659.12 and 27,941.76

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Solution

The fourth proportional to 87,105.60, 130,659.12 and 27,941.76 is: 41,912.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,105.60 : 130,659.12 = 27,941.76 : x
  2. Step 2: Convert to fraction form
    87,105.60/130,659.12 = 27,941.76/x
  3. Step 3: Cross multiply
    87,105.60x = 130,659.12 × 27,941.76
  4. Step 4: Simplify right side
    87,105.60x = 3,650,845,772.85
  5. Step 5: Solve for x
    x = 3,650,845,772.85/87,105.60
  6. Step 6: Final answer
    x = 41,912.87

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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.