Home / 80,071.37-120,107.07-32,708.82

Finding the Fourth Proportional to 80,071.37, 120,107.07 and 32,708.82

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Solution

The fourth proportional to 80,071.37, 120,107.07 and 32,708.82 is: 49,063.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,071.37 : 120,107.07 = 32,708.82 : x
  2. Step 2: Convert to fraction form
    80,071.37/120,107.07 = 32,708.82/x
  3. Step 3: Cross multiply
    80,071.37x = 120,107.07 × 32,708.82
  4. Step 4: Simplify right side
    80,071.37x = 3,928,560,308.16
  5. Step 5: Solve for x
    x = 3,928,560,308.16/80,071.37
  6. Step 6: Final answer
    x = 49,063.23

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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.