Home / 107,700.38-161,583.54-55,147.04

Finding the Fourth Proportional to 107,700.38, 161,583.54 and 55,147.04

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Solution

The fourth proportional to 107,700.38, 161,583.54 and 55,147.04 is: 82,737.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,700.38 : 161,583.54 = 55,147.04 : x
  2. Step 2: Convert to fraction form
    107,700.38/161,583.54 = 55,147.04/x
  3. Step 3: Cross multiply
    107,700.38x = 161,583.54 × 55,147.04
  4. Step 4: Simplify right side
    107,700.38x = 8,910,853,943.72
  5. Step 5: Solve for x
    x = 8,910,853,943.72/107,700.38
  6. Step 6: Final answer
    x = 82,737.44

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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.