Home / 52,815.28-79,222.17-12,834.56

Finding the Fourth Proportional to 52,815.28, 79,222.17 and 12,834.56

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Solution

The fourth proportional to 52,815.28, 79,222.17 and 12,834.56 is: 19,251.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,815.28 : 79,222.17 = 12,834.56 : x
  2. Step 2: Convert to fraction form
    52,815.28/79,222.17 = 12,834.56/x
  3. Step 3: Cross multiply
    52,815.28x = 79,222.17 × 12,834.56
  4. Step 4: Simplify right side
    52,815.28x = 1,016,781,233.91
  5. Step 5: Solve for x
    x = 1,016,781,233.91/52,815.28
  6. Step 6: Final answer
    x = 19,251.65

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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.