Home / 76,934.56-115,376.92-25,629.61

Finding the Fourth Proportional to 76,934.56, 115,376.92 and 25,629.61

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Solution

The fourth proportional to 76,934.56, 115,376.92 and 25,629.61 is: 38,436.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,934.56 : 115,376.92 = 25,629.61 : x
  2. Step 2: Convert to fraction form
    76,934.56/115,376.92 = 25,629.61/x
  3. Step 3: Cross multiply
    76,934.56x = 115,376.92 × 25,629.61
  4. Step 4: Simplify right side
    76,934.56x = 2,957,065,110.08
  5. Step 5: Solve for x
    x = 2,957,065,110.08/76,934.56
  6. Step 6: Final answer
    x = 38,436.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.