Home / 80,550.14-120,868.68-47,335.10

Finding the Fourth Proportional to 80,550.14, 120,868.68 and 47,335.10

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Solution

The fourth proportional to 80,550.14, 120,868.68 and 47,335.10 is: 71,028.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,550.14 : 120,868.68 = 47,335.10 : x
  2. Step 2: Convert to fraction form
    80,550.14/120,868.68 = 47,335.10/x
  3. Step 3: Cross multiply
    80,550.14x = 120,868.68 × 47,335.10
  4. Step 4: Simplify right side
    80,550.14x = 5,721,331,054.67
  5. Step 5: Solve for x
    x = 5,721,331,054.67/80,550.14
  6. Step 6: Final answer
    x = 71,028.20

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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.