Home / 88,236.39-121,764.17-49,471.65

Finding the Fourth Proportional to 88,236.39, 121,764.17 and 49,471.65

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Solution

The fourth proportional to 88,236.39, 121,764.17 and 49,471.65 is: 68,269.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,236.39 : 121,764.17 = 49,471.65 : x
  2. Step 2: Convert to fraction form
    88,236.39/121,764.17 = 49,471.65/x
  3. Step 3: Cross multiply
    88,236.39x = 121,764.17 × 49,471.65
  4. Step 4: Simplify right side
    88,236.39x = 6,023,874,344.53
  5. Step 5: Solve for x
    x = 6,023,874,344.53/88,236.39
  6. Step 6: Final answer
    x = 68,269.72

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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.