Home / 87,735.42-131,657.13-40,993.02

Finding the Fourth Proportional to 87,735.42, 131,657.13 and 40,993.02

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Solution

The fourth proportional to 87,735.42, 131,657.13 and 40,993.02 is: 61,514.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,735.42 : 131,657.13 = 40,993.02 : x
  2. Step 2: Convert to fraction form
    87,735.42/131,657.13 = 40,993.02/x
  3. Step 3: Cross multiply
    87,735.42x = 131,657.13 × 40,993.02
  4. Step 4: Simplify right side
    87,735.42x = 5,397,023,363.23
  5. Step 5: Solve for x
    x = 5,397,023,363.23/87,735.42
  6. Step 6: Final answer
    x = 61,514.76

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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.