Home / 121,586.43-167,791.94-67,138.46

Finding the Fourth Proportional to 121,586.43, 167,791.94 and 67,138.46

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Solution

The fourth proportional to 121,586.43, 167,791.94 and 67,138.46 is: 92,652.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,586.43 : 167,791.94 = 67,138.46 : x
  2. Step 2: Convert to fraction form
    121,586.43/167,791.94 = 67,138.46/x
  3. Step 3: Cross multiply
    121,586.43x = 167,791.94 × 67,138.46
  4. Step 4: Simplify right side
    121,586.43x = 11,265,292,452.01
  5. Step 5: Solve for x
    x = 11,265,292,452.01/121,586.43
  6. Step 6: Final answer
    x = 92,652.55

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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.