Home / 121,540.42-167,725.81-67,092.62

Finding the Fourth Proportional to 121,540.42, 167,725.81 and 67,092.62

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Solution

The fourth proportional to 121,540.42, 167,725.81 and 67,092.62 is: 92,587.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,540.42 : 167,725.81 = 67,092.62 : x
  2. Step 2: Convert to fraction form
    121,540.42/167,725.81 = 67,092.62/x
  3. Step 3: Cross multiply
    121,540.42x = 167,725.81 × 67,092.62
  4. Step 4: Simplify right side
    121,540.42x = 11,253,164,034.52
  5. Step 5: Solve for x
    x = 11,253,164,034.52/121,540.42
  6. Step 6: Final answer
    x = 92,587.83

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1.5x scale

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.