Home / 80,550.33-120,779.17-33,198.10

Finding the Fourth Proportional to 80,550.33, 120,779.17 and 33,198.10

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Solution

The fourth proportional to 80,550.33, 120,779.17 and 33,198.10 is: 49,778.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,550.33 : 120,779.17 = 33,198.10 : x
  2. Step 2: Convert to fraction form
    80,550.33/120,779.17 = 33,198.10/x
  3. Step 3: Cross multiply
    80,550.33x = 120,779.17 × 33,198.10
  4. Step 4: Simplify right side
    80,550.33x = 4,009,638,963.58
  5. Step 5: Solve for x
    x = 4,009,638,963.58/80,550.33
  6. Step 6: Final answer
    x = 49,778.06

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1.5x scale

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.