Home / 80,382.74-120,594.12-24,221.60

Finding the Fourth Proportional to 80,382.74, 120,594.12 and 24,221.60

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Solution

The fourth proportional to 80,382.74, 120,594.12 and 24,221.60 is: 36,338.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,382.74 : 120,594.12 = 24,221.60 : x
  2. Step 2: Convert to fraction form
    80,382.74/120,594.12 = 24,221.60/x
  3. Step 3: Cross multiply
    80,382.74x = 120,594.12 × 24,221.60
  4. Step 4: Simplify right side
    80,382.74x = 2,920,982,536.99
  5. Step 5: Solve for x
    x = 2,920,982,536.99/80,382.74
  6. Step 6: Final answer
    x = 36,338.43

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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.