Home / 49,086.75-73,630.13-12,150.75

Finding the Fourth Proportional to 49,086.75, 73,630.13 and 12,150.75

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Solution

The fourth proportional to 49,086.75, 73,630.13 and 12,150.75 is: 18,226.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,086.75 : 73,630.13 = 12,150.75 : x
  2. Step 2: Convert to fraction form
    49,086.75/73,630.13 = 12,150.75/x
  3. Step 3: Cross multiply
    49,086.75x = 73,630.13 × 12,150.75
  4. Step 4: Simplify right side
    49,086.75x = 894,661,241.34
  5. Step 5: Solve for x
    x = 894,661,241.34/49,086.75
  6. Step 6: Final answer
    x = 18,226.13

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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.