Home / 80,534.07-120,800.99-33,786.95

Finding the Fourth Proportional to 80,534.07, 120,800.99 and 33,786.95

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Solution

The fourth proportional to 80,534.07, 120,800.99 and 33,786.95 is: 50,680.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,534.07 : 120,800.99 = 33,786.95 : x
  2. Step 2: Convert to fraction form
    80,534.07/120,800.99 = 33,786.95/x
  3. Step 3: Cross multiply
    80,534.07x = 120,800.99 × 33,786.95
  4. Step 4: Simplify right side
    80,534.07x = 4,081,496,489.54
  5. Step 5: Solve for x
    x = 4,081,496,489.54/80,534.07
  6. Step 6: Final answer
    x = 50,680.37

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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.