Home / 87,668.82-131,504.94-28,504.32

Finding the Fourth Proportional to 87,668.82, 131,504.94 and 28,504.32

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Solution

The fourth proportional to 87,668.82, 131,504.94 and 28,504.32 is: 42,757.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,668.82 : 131,504.94 = 28,504.32 : x
  2. Step 2: Convert to fraction form
    87,668.82/131,504.94 = 28,504.32/x
  3. Step 3: Cross multiply
    87,668.82x = 131,504.94 × 28,504.32
  4. Step 4: Simplify right side
    87,668.82x = 3,748,458,891.34
  5. Step 5: Solve for x
    x = 3,748,458,891.34/87,668.82
  6. Step 6: Final answer
    x = 42,757.04

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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.