Home / 80,558.06-120,883.90-33,177.92

Finding the Fourth Proportional to 80,558.06, 120,883.90 and 33,177.92

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Solution

The fourth proportional to 80,558.06, 120,883.90 and 33,177.92 is: 49,786.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,558.06 : 120,883.90 = 33,177.92 : x
  2. Step 2: Convert to fraction form
    80,558.06/120,883.90 = 33,177.92/x
  3. Step 3: Cross multiply
    80,558.06x = 120,883.90 × 33,177.92
  4. Step 4: Simplify right side
    80,558.06x = 4,010,676,363.49
  5. Step 5: Solve for x
    x = 4,010,676,363.49/80,558.06
  6. Step 6: Final answer
    x = 49,786.16

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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.