Home / 71,975.20-107,963.88-27,604.48

Finding the Fourth Proportional to 71,975.20, 107,963.88 and 27,604.48

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Solution

The fourth proportional to 71,975.20, 107,963.88 and 27,604.48 is: 41,407.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,975.20 : 107,963.88 = 27,604.48 : x
  2. Step 2: Convert to fraction form
    71,975.20/107,963.88 = 27,604.48/x
  3. Step 3: Cross multiply
    71,975.20x = 107,963.88 × 27,604.48
  4. Step 4: Simplify right side
    71,975.20x = 2,980,286,766.18
  5. Step 5: Solve for x
    x = 2,980,286,766.18/71,975.20
  6. Step 6: Final answer
    x = 41,407.13

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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.