Home / 80,288.70-120,241.26-44,661.54

Finding the Fourth Proportional to 80,288.70, 120,241.26 and 44,661.54

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Solution

The fourth proportional to 80,288.70, 120,241.26 and 44,661.54 is: 66,885.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,288.70 : 120,241.26 = 44,661.54 : x
  2. Step 2: Convert to fraction form
    80,288.70/120,241.26 = 44,661.54/x
  3. Step 3: Cross multiply
    80,288.70x = 120,241.26 × 44,661.54
  4. Step 4: Simplify right side
    80,288.70x = 5,370,159,843.14
  5. Step 5: Solve for x
    x = 5,370,159,843.14/80,288.70
  6. Step 6: Final answer
    x = 66,885.62

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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.