Home / 76,938.22-115,610.28-41,425.80

Finding the Fourth Proportional to 76,938.22, 115,610.28 and 41,425.80

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Solution

The fourth proportional to 76,938.22, 115,610.28 and 41,425.80 is: 62,247.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,938.22 : 115,610.28 = 41,425.80 : x
  2. Step 2: Convert to fraction form
    76,938.22/115,610.28 = 41,425.80/x
  3. Step 3: Cross multiply
    76,938.22x = 115,610.28 × 41,425.80
  4. Step 4: Simplify right side
    76,938.22x = 4,789,248,337.22
  5. Step 5: Solve for x
    x = 4,789,248,337.22/76,938.22
  6. Step 6: Final answer
    x = 62,247.97

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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.