Home / 49,067.40-73,601.10-12,131.40

Finding the Fourth Proportional to 49,067.40, 73,601.10 and 12,131.40

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Solution

The fourth proportional to 49,067.40, 73,601.10 and 12,131.40 is: 18,197.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,067.40 : 73,601.10 = 12,131.40 : x
  2. Step 2: Convert to fraction form
    49,067.40/73,601.10 = 12,131.40/x
  3. Step 3: Cross multiply
    49,067.40x = 73,601.10 × 12,131.40
  4. Step 4: Simplify right side
    49,067.40x = 892,884,384.54
  5. Step 5: Solve for x
    x = 892,884,384.54/49,067.40
  6. Step 6: Final answer
    x = 18,197.10

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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.