Home / 50,105.08-75,157.57-20,522.97

Finding the Fourth Proportional to 50,105.08, 75,157.57 and 20,522.97

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Solution

The fourth proportional to 50,105.08, 75,157.57 and 20,522.97 is: 30,784.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,105.08 : 75,157.57 = 20,522.97 : x
  2. Step 2: Convert to fraction form
    50,105.08/75,157.57 = 20,522.97/x
  3. Step 3: Cross multiply
    50,105.08x = 75,157.57 × 20,522.97
  4. Step 4: Simplify right side
    50,105.08x = 1,542,456,580.04
  5. Step 5: Solve for x
    x = 1,542,456,580.04/50,105.08
  6. Step 6: Final answer
    x = 30,784.43

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Similar ratio
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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.