Home / 55,520.76-83,288.97-18,068.79

Finding the Fourth Proportional to 55,520.76, 83,288.97 and 18,068.79

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Solution

The fourth proportional to 55,520.76, 83,288.97 and 18,068.79 is: 27,105.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,520.76 : 83,288.97 = 18,068.79 : x
  2. Step 2: Convert to fraction form
    55,520.76/83,288.97 = 18,068.79/x
  3. Step 3: Cross multiply
    55,520.76x = 83,288.97 × 18,068.79
  4. Step 4: Simplify right side
    55,520.76x = 1,504,930,908.25
  5. Step 5: Solve for x
    x = 1,504,930,908.25/55,520.76
  6. Step 6: Final answer
    x = 27,105.73

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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.