Home / 115,902.20-173,965.42-55,972.68

Finding the Fourth Proportional to 115,902.20, 173,965.42 and 55,972.68

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Solution

The fourth proportional to 115,902.20, 173,965.42 and 55,972.68 is: 84,013.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,902.20 : 173,965.42 = 55,972.68 : x
  2. Step 2: Convert to fraction form
    115,902.20/173,965.42 = 55,972.68/x
  3. Step 3: Cross multiply
    115,902.20x = 173,965.42 × 55,972.68
  4. Step 4: Simplify right side
    115,902.20x = 9,737,310,784.73
  5. Step 5: Solve for x
    x = 9,737,310,784.73/115,902.20
  6. Step 6: Final answer
    x = 84,013.17

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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.