Home / 87,871.48-131,806.20-35,280.04

Finding the Fourth Proportional to 87,871.48, 131,806.20 and 35,280.04

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Solution

The fourth proportional to 87,871.48, 131,806.20 and 35,280.04 is: 52,919.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,871.48 : 131,806.20 = 35,280.04 : x
  2. Step 2: Convert to fraction form
    87,871.48/131,806.20 = 35,280.04/x
  3. Step 3: Cross multiply
    87,871.48x = 131,806.20 × 35,280.04
  4. Step 4: Simplify right side
    87,871.48x = 4,650,128,008.25
  5. Step 5: Solve for x
    x = 4,650,128,008.25/87,871.48
  6. Step 6: Final answer
    x = 52,919.65

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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.