Home / 67,180.44-100,815.96-27,736.68

Finding the Fourth Proportional to 67,180.44, 100,815.96 and 27,736.68

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Solution

The fourth proportional to 67,180.44, 100,815.96 and 27,736.68 is: 41,623.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,180.44 : 100,815.96 = 27,736.68 : x
  2. Step 2: Convert to fraction form
    67,180.44/100,815.96 = 27,736.68/x
  3. Step 3: Cross multiply
    67,180.44x = 100,815.96 × 27,736.68
  4. Step 4: Simplify right side
    67,180.44x = 2,796,300,021.41
  5. Step 5: Solve for x
    x = 2,796,300,021.41/67,180.44
  6. Step 6: Final answer
    x = 41,623.72

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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.