Home / 84,425.18-126,590.99-34,540.29

Finding the Fourth Proportional to 84,425.18, 126,590.99 and 34,540.29

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Solution

The fourth proportional to 84,425.18, 126,590.99 and 34,540.29 is: 51,791.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,425.18 : 126,590.99 = 34,540.29 : x
  2. Step 2: Convert to fraction form
    84,425.18/126,590.99 = 34,540.29/x
  3. Step 3: Cross multiply
    84,425.18x = 126,590.99 × 34,540.29
  4. Step 4: Simplify right side
    84,425.18x = 4,372,489,333.29
  5. Step 5: Solve for x
    x = 4,372,489,333.29/84,425.18
  6. Step 6: Final answer
    x = 51,791.30

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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.