Home / 81,446.70-122,304.40-54,962.83

Finding the Fourth Proportional to 81,446.70, 122,304.40 and 54,962.83

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Solution

The fourth proportional to 81,446.70, 122,304.40 and 54,962.83 is: 82,534.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,446.70 : 122,304.40 = 54,962.83 : x
  2. Step 2: Convert to fraction form
    81,446.70/122,304.40 = 54,962.83/x
  3. Step 3: Cross multiply
    81,446.70x = 122,304.40 × 54,962.83
  4. Step 4: Simplify right side
    81,446.70x = 6,722,195,945.45
  5. Step 5: Solve for x
    x = 6,722,195,945.45/81,446.70
  6. Step 6: Final answer
    x = 82,534.91

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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.