Home / 80,872.82-121,331.06-24,711.39

Finding the Fourth Proportional to 80,872.82, 121,331.06 and 24,711.39

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Solution

The fourth proportional to 80,872.82, 121,331.06 and 24,711.39 is: 37,073.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,872.82 : 121,331.06 = 24,711.39 : x
  2. Step 2: Convert to fraction form
    80,872.82/121,331.06 = 24,711.39/x
  3. Step 3: Cross multiply
    80,872.82x = 121,331.06 × 24,711.39
  4. Step 4: Simplify right side
    80,872.82x = 2,998,259,019.22
  5. Step 5: Solve for x
    x = 2,998,259,019.22/80,872.82
  6. Step 6: Final answer
    x = 37,073.76

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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.