Home / 49,131.75-73,698.11-12,195.75

Finding the Fourth Proportional to 49,131.75, 73,698.11 and 12,195.75

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Solution

The fourth proportional to 49,131.75, 73,698.11 and 12,195.75 is: 18,293.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,131.75 : 73,698.11 = 12,195.75 : x
  2. Step 2: Convert to fraction form
    49,131.75/73,698.11 = 12,195.75/x
  3. Step 3: Cross multiply
    49,131.75x = 73,698.11 × 12,195.75
  4. Step 4: Simplify right side
    49,131.75x = 898,803,664.05
  5. Step 5: Solve for x
    x = 898,803,664.05/49,131.75
  6. Step 6: Final answer
    x = 18,293.74

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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.