Home / 87,753.10-131,581.02-40,980.46

Finding the Fourth Proportional to 87,753.10, 131,581.02 and 40,980.46

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Solution

The fourth proportional to 87,753.10, 131,581.02 and 40,980.46 is: 61,447.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,753.10 : 131,581.02 = 40,980.46 : x
  2. Step 2: Convert to fraction form
    87,753.10/131,581.02 = 40,980.46/x
  3. Step 3: Cross multiply
    87,753.10x = 131,581.02 × 40,980.46
  4. Step 4: Simplify right side
    87,753.10x = 5,392,250,068.96
  5. Step 5: Solve for x
    x = 5,392,250,068.96/87,753.10
  6. Step 6: Final answer
    x = 61,447.98

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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.