Home / 50,099.73-75,153.24-20,517.72

Finding the Fourth Proportional to 50,099.73, 75,153.24 and 20,517.72

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Solution

The fourth proportional to 50,099.73, 75,153.24 and 20,517.72 is: 30,778.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,099.73 : 75,153.24 = 20,517.72 : x
  2. Step 2: Convert to fraction form
    50,099.73/75,153.24 = 20,517.72/x
  3. Step 3: Cross multiply
    50,099.73x = 75,153.24 × 20,517.72
  4. Step 4: Simplify right side
    50,099.73x = 1,541,973,135.41
  5. Step 5: Solve for x
    x = 1,541,973,135.41/50,099.73
  6. Step 6: Final answer
    x = 30,778.07

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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.