Home / 81,074.62-111,884.79-50,861.22

Finding the Fourth Proportional to 81,074.62, 111,884.79 and 50,861.22

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Solution

The fourth proportional to 81,074.62, 111,884.79 and 50,861.22 is: 70,189.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,074.62 : 111,884.79 = 50,861.22 : x
  2. Step 2: Convert to fraction form
    81,074.62/111,884.79 = 50,861.22/x
  3. Step 3: Cross multiply
    81,074.62x = 111,884.79 × 50,861.22
  4. Step 4: Simplify right side
    81,074.62x = 5,690,596,690.01
  5. Step 5: Solve for x
    x = 5,690,596,690.01/81,074.62
  6. Step 6: Final answer
    x = 70,189.62

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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.