Home / 88,377.31-121,960.92-48,091.06

Finding the Fourth Proportional to 88,377.31, 121,960.92 and 48,091.06

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Solution

The fourth proportional to 88,377.31, 121,960.92 and 48,091.06 is: 66,365.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,377.31 : 121,960.92 = 48,091.06 : x
  2. Step 2: Convert to fraction form
    88,377.31/121,960.92 = 48,091.06/x
  3. Step 3: Cross multiply
    88,377.31x = 121,960.92 × 48,091.06
  4. Step 4: Simplify right side
    88,377.31x = 5,865,229,921.38
  5. Step 5: Solve for x
    x = 5,865,229,921.38/88,377.31
  6. Step 6: Final answer
    x = 66,365.79

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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.