Home / 55,183.24-82,766.49-20,122.93

Finding the Fourth Proportional to 55,183.24, 82,766.49 and 20,122.93

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Solution

The fourth proportional to 55,183.24, 82,766.49 and 20,122.93 is: 30,181.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,183.24 : 82,766.49 = 20,122.93 : x
  2. Step 2: Convert to fraction form
    55,183.24/82,766.49 = 20,122.93/x
  3. Step 3: Cross multiply
    55,183.24x = 82,766.49 × 20,122.93
  4. Step 4: Simplify right side
    55,183.24x = 1,665,504,284.62
  5. Step 5: Solve for x
    x = 1,665,504,284.62/55,183.24
  6. Step 6: Final answer
    x = 30,181.34

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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.