Home / 80,596.20-111,278.14-50,396.16

Finding the Fourth Proportional to 80,596.20, 111,278.14 and 50,396.16

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Solution

The fourth proportional to 80,596.20, 111,278.14 and 50,396.16 is: 69,581.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,596.20 : 111,278.14 = 50,396.16 : x
  2. Step 2: Convert to fraction form
    80,596.20/111,278.14 = 50,396.16/x
  3. Step 3: Cross multiply
    80,596.20x = 111,278.14 × 50,396.16
  4. Step 4: Simplify right side
    80,596.20x = 5,607,990,947.94
  5. Step 5: Solve for x
    x = 5,607,990,947.94/80,596.20
  6. Step 6: Final answer
    x = 69,581.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.