Home / 67,252.28-100,891.68-19,868.19

Finding the Fourth Proportional to 67,252.28, 100,891.68 and 19,868.19

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Solution

The fourth proportional to 67,252.28, 100,891.68 and 19,868.19 is: 29,806.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,252.28 : 100,891.68 = 19,868.19 : x
  2. Step 2: Convert to fraction form
    67,252.28/100,891.68 = 19,868.19/x
  3. Step 3: Cross multiply
    67,252.28x = 100,891.68 × 19,868.19
  4. Step 4: Simplify right side
    67,252.28x = 2,004,534,614.81
  5. Step 5: Solve for x
    x = 2,004,534,614.81/67,252.28
  6. Step 6: Final answer
    x = 29,806.20

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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.