Home / 87,911.63-131,847.36-40,481.27

Finding the Fourth Proportional to 87,911.63, 131,847.36 and 40,481.27

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Solution

The fourth proportional to 87,911.63, 131,847.36 and 40,481.27 is: 60,712.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,911.63 : 131,847.36 = 40,481.27 : x
  2. Step 2: Convert to fraction form
    87,911.63/131,847.36 = 40,481.27/x
  3. Step 3: Cross multiply
    87,911.63x = 131,847.36 × 40,481.27
  4. Step 4: Simplify right side
    87,911.63x = 5,337,348,578.95
  5. Step 5: Solve for x
    x = 5,337,348,578.95/87,911.63
  6. Step 6: Final answer
    x = 60,712.66

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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.