Home / 74,375.25-102,627.52-43,749.73

Finding the Fourth Proportional to 74,375.25, 102,627.52 and 43,749.73

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Solution

The fourth proportional to 74,375.25, 102,627.52 and 43,749.73 is: 60,368.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,375.25 : 102,627.52 = 43,749.73 : x
  2. Step 2: Convert to fraction form
    74,375.25/102,627.52 = 43,749.73/x
  3. Step 3: Cross multiply
    74,375.25x = 102,627.52 × 43,749.73
  4. Step 4: Simplify right side
    74,375.25x = 4,489,926,290.57
  5. Step 5: Solve for x
    x = 4,489,926,290.57/74,375.25
  6. Step 6: Final answer
    x = 60,368.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.