Home / 87,447.35-131,183.24-43,074.47

Finding the Fourth Proportional to 87,447.35, 131,183.24 and 43,074.47

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Solution

The fourth proportional to 87,447.35, 131,183.24 and 43,074.47 is: 64,617.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,447.35 : 131,183.24 = 43,074.47 : x
  2. Step 2: Convert to fraction form
    87,447.35/131,183.24 = 43,074.47/x
  3. Step 3: Cross multiply
    87,447.35x = 131,183.24 × 43,074.47
  4. Step 4: Simplify right side
    87,447.35x = 5,650,647,664.59
  5. Step 5: Solve for x
    x = 5,650,647,664.59/87,447.35
  6. Step 6: Final answer
    x = 64,617.72

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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.