Home / 55,311.96-82,949.73-17,863.20

Finding the Fourth Proportional to 55,311.96, 82,949.73 and 17,863.20

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Solution

The fourth proportional to 55,311.96, 82,949.73 and 17,863.20 is: 26,788.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,311.96 : 82,949.73 = 17,863.20 : x
  2. Step 2: Convert to fraction form
    55,311.96/82,949.73 = 17,863.20/x
  3. Step 3: Cross multiply
    55,311.96x = 82,949.73 × 17,863.20
  4. Step 4: Simplify right side
    55,311.96x = 1,481,747,616.94
  5. Step 5: Solve for x
    x = 1,481,747,616.94/55,311.96
  6. Step 6: Final answer
    x = 26,788.92

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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.