Home / 87,653.10-131,566.05-43,329.90

Finding the Fourth Proportional to 87,653.10, 131,566.05 and 43,329.90

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Solution

The fourth proportional to 87,653.10, 131,566.05 and 43,329.90 is: 65,037.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,653.10 : 131,566.05 = 43,329.90 : x
  2. Step 2: Convert to fraction form
    87,653.10/131,566.05 = 43,329.90/x
  3. Step 3: Cross multiply
    87,653.10x = 131,566.05 × 43,329.90
  4. Step 4: Simplify right side
    87,653.10x = 5,700,743,789.90
  5. Step 5: Solve for x
    x = 5,700,743,789.90/87,653.10
  6. Step 6: Final answer
    x = 65,037.56

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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.