Home / 81,737.82-122,604.30-22,577.04

Finding the Fourth Proportional to 81,737.82, 122,604.30 and 22,577.04

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Solution

The fourth proportional to 81,737.82, 122,604.30 and 22,577.04 is: 33,864.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,737.82 : 122,604.30 = 22,577.04 : x
  2. Step 2: Convert to fraction form
    81,737.82/122,604.30 = 22,577.04/x
  3. Step 3: Cross multiply
    81,737.82x = 122,604.30 × 22,577.04
  4. Step 4: Simplify right side
    81,737.82x = 2,768,042,185.27
  5. Step 5: Solve for x
    x = 2,768,042,185.27/81,737.82
  6. Step 6: Final answer
    x = 33,864.89

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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.