Home / 72,766.44-108,974.56-49,321.80

Finding the Fourth Proportional to 72,766.44, 108,974.56 and 49,321.80

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Solution

The fourth proportional to 72,766.44, 108,974.56 and 49,321.80 is: 73,864.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,766.44 : 108,974.56 = 49,321.80 : x
  2. Step 2: Convert to fraction form
    72,766.44/108,974.56 = 49,321.80/x
  3. Step 3: Cross multiply
    72,766.44x = 108,974.56 × 49,321.80
  4. Step 4: Simplify right side
    72,766.44x = 5,374,821,453.41
  5. Step 5: Solve for x
    x = 5,374,821,453.41/72,766.44
  6. Step 6: Final answer
    x = 73,864.02

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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.