Home / 74,627.68-111,850.80-35,138.56

Finding the Fourth Proportional to 74,627.68, 111,850.80 and 35,138.56

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Solution

The fourth proportional to 74,627.68, 111,850.80 and 35,138.56 is: 52,665.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,627.68 : 111,850.80 = 35,138.56 : x
  2. Step 2: Convert to fraction form
    74,627.68/111,850.80 = 35,138.56/x
  3. Step 3: Cross multiply
    74,627.68x = 111,850.80 × 35,138.56
  4. Step 4: Simplify right side
    74,627.68x = 3,930,276,046.85
  5. Step 5: Solve for x
    x = 3,930,276,046.85/74,627.68
  6. Step 6: Final answer
    x = 52,665.12

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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.