Home / 76,850.73-115,286.18-30,097.53

Finding the Fourth Proportional to 76,850.73, 115,286.18 and 30,097.53

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Solution

The fourth proportional to 76,850.73, 115,286.18 and 30,097.53 is: 45,150.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,850.73 : 115,286.18 = 30,097.53 : x
  2. Step 2: Convert to fraction form
    76,850.73/115,286.18 = 30,097.53/x
  3. Step 3: Cross multiply
    76,850.73x = 115,286.18 × 30,097.53
  4. Step 4: Simplify right side
    76,850.73x = 3,469,829,110.65
  5. Step 5: Solve for x
    x = 3,469,829,110.65/76,850.73
  6. Step 6: Final answer
    x = 45,150.24

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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.