Home / 88,062.43-121,532.18-49,821.97

Finding the Fourth Proportional to 88,062.43, 121,532.18 and 49,821.97

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Solution

The fourth proportional to 88,062.43, 121,532.18 and 49,821.97 is: 68,757.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,062.43 : 121,532.18 = 49,821.97 : x
  2. Step 2: Convert to fraction form
    88,062.43/121,532.18 = 49,821.97/x
  3. Step 3: Cross multiply
    88,062.43x = 121,532.18 × 49,821.97
  4. Step 4: Simplify right side
    88,062.43x = 6,054,972,625.99
  5. Step 5: Solve for x
    x = 6,054,972,625.99/88,062.43
  6. Step 6: Final answer
    x = 68,757.73

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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.