Home / 87,097.96-120,190.82-49,371.24

Finding the Fourth Proportional to 87,097.96, 120,190.82 and 49,371.24

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Solution

The fourth proportional to 87,097.96, 120,190.82 and 49,371.24 is: 68,129.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,097.96 : 120,190.82 = 49,371.24 : x
  2. Step 2: Convert to fraction form
    87,097.96/120,190.82 = 49,371.24/x
  3. Step 3: Cross multiply
    87,097.96x = 120,190.82 × 49,371.24
  4. Step 4: Simplify right side
    87,097.96x = 5,933,969,820.02
  5. Step 5: Solve for x
    x = 5,933,969,820.02/87,097.96
  6. Step 6: Final answer
    x = 68,129.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.