Home / 76,930.27-115,394.88-41,408.33

Finding the Fourth Proportional to 76,930.27, 115,394.88 and 41,408.33

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Solution

The fourth proportional to 76,930.27, 115,394.88 and 41,408.33 is: 62,112.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,930.27 : 115,394.88 = 41,408.33 : x
  2. Step 2: Convert to fraction form
    76,930.27/115,394.88 = 41,408.33/x
  3. Step 3: Cross multiply
    76,930.27x = 115,394.88 × 41,408.33
  4. Step 4: Simplify right side
    76,930.27x = 4,778,308,694.38
  5. Step 5: Solve for x
    x = 4,778,308,694.38/76,930.27
  6. Step 6: Final answer
    x = 62,112.21

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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.