Home / 80,190.90-110,648.16-44,379.18

Finding the Fourth Proportional to 80,190.90, 110,648.16 and 44,379.18

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Solution

The fourth proportional to 80,190.90, 110,648.16 and 44,379.18 is: 61,234.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,190.90 : 110,648.16 = 44,379.18 : x
  2. Step 2: Convert to fraction form
    80,190.90/110,648.16 = 44,379.18/x
  3. Step 3: Cross multiply
    80,190.90x = 110,648.16 × 44,379.18
  4. Step 4: Simplify right side
    80,190.90x = 4,910,474,609.31
  5. Step 5: Solve for x
    x = 4,910,474,609.31/80,190.90
  6. Step 6: Final answer
    x = 61,234.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.