Home / 87,410.42-131,098.32-40,012.70

Finding the Fourth Proportional to 87,410.42, 131,098.32 and 40,012.70

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Solution

The fourth proportional to 87,410.42, 131,098.32 and 40,012.70 is: 60,011.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,410.42 : 131,098.32 = 40,012.70 : x
  2. Step 2: Convert to fraction form
    87,410.42/131,098.32 = 40,012.70/x
  3. Step 3: Cross multiply
    87,410.42x = 131,098.32 × 40,012.70
  4. Step 4: Simplify right side
    87,410.42x = 5,245,597,748.66
  5. Step 5: Solve for x
    x = 5,245,597,748.66/87,410.42
  6. Step 6: Final answer
    x = 60,011.13

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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.