Home / 76,744.80-115,038-41,610.24

Finding the Fourth Proportional to 76,744.80, 115,038 and 41,610.24

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Solution

The fourth proportional to 76,744.80, 115,038 and 41,610.24 is: 62,372.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,744.80 : 115,038 = 41,610.24 : x
  2. Step 2: Convert to fraction form
    76,744.80/115,038 = 41,610.24/x
  3. Step 3: Cross multiply
    76,744.80x = 115,038 × 41,610.24
  4. Step 4: Simplify right side
    76,744.80x = 4,786,758,789.12
  5. Step 5: Solve for x
    x = 4,786,758,789.12/76,744.80
  6. Step 6: Final answer
    x = 62,372.42

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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.