Home / 217,049.03-325,585.85-67,310.60

Finding the Fourth Proportional to 217,049.03, 325,585.85 and 67,310.60

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Solution

The fourth proportional to 217,049.03, 325,585.85 and 67,310.60 is: 100,969.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,049.03 : 325,585.85 = 67,310.60 : x
  2. Step 2: Convert to fraction form
    217,049.03/325,585.85 = 67,310.60/x
  3. Step 3: Cross multiply
    217,049.03x = 325,585.85 × 67,310.60
  4. Step 4: Simplify right side
    217,049.03x = 21,915,379,392.42
  5. Step 5: Solve for x
    x = 21,915,379,392.42/217,049.03
  6. Step 6: Final answer
    x = 100,969.72

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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.