Home / 50,148.20-75,221.54-12,197.82

Finding the Fourth Proportional to 50,148.20, 75,221.54 and 12,197.82

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Solution

The fourth proportional to 50,148.20, 75,221.54 and 12,197.82 is: 18,296.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,148.20 : 75,221.54 = 12,197.82 : x
  2. Step 2: Convert to fraction form
    50,148.20/75,221.54 = 12,197.82/x
  3. Step 3: Cross multiply
    50,148.20x = 75,221.54 × 12,197.82
  4. Step 4: Simplify right side
    50,148.20x = 917,538,744.05
  5. Step 5: Solve for x
    x = 917,538,744.05/50,148.20
  6. Step 6: Final answer
    x = 18,296.55

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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.