Home / 121,324.43-167,425.45-67,608.27

Finding the Fourth Proportional to 121,324.43, 167,425.45 and 67,608.27

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Solution

The fourth proportional to 121,324.43, 167,425.45 and 67,608.27 is: 93,298.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,324.43 : 167,425.45 = 67,608.27 : x
  2. Step 2: Convert to fraction form
    121,324.43/167,425.45 = 67,608.27/x
  3. Step 3: Cross multiply
    121,324.43x = 167,425.45 × 67,608.27
  4. Step 4: Simplify right side
    121,324.43x = 11,319,344,859.45
  5. Step 5: Solve for x
    x = 11,319,344,859.45/121,324.43
  6. Step 6: Final answer
    x = 93,298.15

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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.