Home / 77,249.73-115,845.42-35,667.57

Finding the Fourth Proportional to 77,249.73, 115,845.42 and 35,667.57

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Solution

The fourth proportional to 77,249.73, 115,845.42 and 35,667.57 is: 53,487.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,249.73 : 115,845.42 = 35,667.57 : x
  2. Step 2: Convert to fraction form
    77,249.73/115,845.42 = 35,667.57/x
  3. Step 3: Cross multiply
    77,249.73x = 115,845.42 × 35,667.57
  4. Step 4: Simplify right side
    77,249.73x = 4,131,924,627.03
  5. Step 5: Solve for x
    x = 4,131,924,627.03/77,249.73
  6. Step 6: Final answer
    x = 53,487.88

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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.