Home / 87,530.44-131,268.12-28,352.38

Finding the Fourth Proportional to 87,530.44, 131,268.12 and 28,352.38

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Solution

The fourth proportional to 87,530.44, 131,268.12 and 28,352.38 is: 42,519.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,530.44 : 131,268.12 = 28,352.38 : x
  2. Step 2: Convert to fraction form
    87,530.44/131,268.12 = 28,352.38/x
  3. Step 3: Cross multiply
    87,530.44x = 131,268.12 × 28,352.38
  4. Step 4: Simplify right side
    87,530.44x = 3,721,763,620.13
  5. Step 5: Solve for x
    x = 3,721,763,620.13/87,530.44
  6. Step 6: Final answer
    x = 42,519.65

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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.