Home / 80,147.82-120,232.66-33,389.76

Finding the Fourth Proportional to 80,147.82, 120,232.66 and 33,389.76

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Solution

The fourth proportional to 80,147.82, 120,232.66 and 33,389.76 is: 50,089.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,147.82 : 120,232.66 = 33,389.76 : x
  2. Step 2: Convert to fraction form
    80,147.82/120,232.66 = 33,389.76/x
  3. Step 3: Cross multiply
    80,147.82x = 120,232.66 × 33,389.76
  4. Step 4: Simplify right side
    80,147.82x = 4,014,539,661.56
  5. Step 5: Solve for x
    x = 4,014,539,661.56/80,147.82
  6. Step 6: Final answer
    x = 50,089.19

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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.