Home / 87,997.34-131,777.29-61,578.46

Finding the Fourth Proportional to 87,997.34, 131,777.29 and 61,578.46

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Solution

The fourth proportional to 87,997.34, 131,777.29 and 61,578.46 is: 92,214.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,997.34 : 131,777.29 = 61,578.46 : x
  2. Step 2: Convert to fraction form
    87,997.34/131,777.29 = 61,578.46/x
  3. Step 3: Cross multiply
    87,997.34x = 131,777.29 × 61,578.46
  4. Step 4: Simplify right side
    87,997.34x = 8,114,642,581.17
  5. Step 5: Solve for x
    x = 8,114,642,581.17/87,997.34
  6. Step 6: Final answer
    x = 92,214.63

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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.