Home / 67,082.40-100,621.92-17,162.64

Finding the Fourth Proportional to 67,082.40, 100,621.92 and 17,162.64

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Solution

The fourth proportional to 67,082.40, 100,621.92 and 17,162.64 is: 25,743.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,082.40 : 100,621.92 = 17,162.64 : x
  2. Step 2: Convert to fraction form
    67,082.40/100,621.92 = 17,162.64/x
  3. Step 3: Cross multiply
    67,082.40x = 100,621.92 × 17,162.64
  4. Step 4: Simplify right side
    67,082.40x = 1,726,937,789.07
  5. Step 5: Solve for x
    x = 1,726,937,789.07/67,082.40
  6. Step 6: Final answer
    x = 25,743.53

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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.