Home / 50,198.16-75,305.46-20,608.08

Finding the Fourth Proportional to 50,198.16, 75,305.46 and 20,608.08

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Solution

The fourth proportional to 50,198.16, 75,305.46 and 20,608.08 is: 30,915.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,198.16 : 75,305.46 = 20,608.08 : x
  2. Step 2: Convert to fraction form
    50,198.16/75,305.46 = 20,608.08/x
  3. Step 3: Cross multiply
    50,198.16x = 75,305.46 × 20,608.08
  4. Step 4: Simplify right side
    50,198.16x = 1,551,900,944.12
  5. Step 5: Solve for x
    x = 1,551,900,944.12/50,198.16
  6. Step 6: Final answer
    x = 30,915.49

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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.