Home / 55,234.08-82,826.49-20,149.14

Finding the Fourth Proportional to 55,234.08, 82,826.49 and 20,149.14

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Solution

The fourth proportional to 55,234.08, 82,826.49 and 20,149.14 is: 30,214.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,234.08 : 82,826.49 = 20,149.14 : x
  2. Step 2: Convert to fraction form
    55,234.08/82,826.49 = 20,149.14/x
  3. Step 3: Cross multiply
    55,234.08x = 82,826.49 × 20,149.14
  4. Step 4: Simplify right side
    55,234.08x = 1,668,882,542.72
  5. Step 5: Solve for x
    x = 1,668,882,542.72/55,234.08
  6. Step 6: Final answer
    x = 30,214.73

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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.