Home / 123,747.75-170,771.90-67,159.13

Finding the Fourth Proportional to 123,747.75, 170,771.90 and 67,159.13

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Solution

The fourth proportional to 123,747.75, 170,771.90 and 67,159.13 is: 92,679.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,747.75 : 170,771.90 = 67,159.13 : x
  2. Step 2: Convert to fraction form
    123,747.75/170,771.90 = 67,159.13/x
  3. Step 3: Cross multiply
    123,747.75x = 170,771.90 × 67,159.13
  4. Step 4: Simplify right side
    123,747.75x = 11,468,891,042.79
  5. Step 5: Solve for x
    x = 11,468,891,042.79/123,747.75
  6. Step 6: Final answer
    x = 92,679.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.