Home / 49,142.20-67,762.64-33,198.96

Finding the Fourth Proportional to 49,142.20, 67,762.64 and 33,198.96

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Solution

The fourth proportional to 49,142.20, 67,762.64 and 33,198.96 is: 45,778.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,142.20 : 67,762.64 = 33,198.96 : x
  2. Step 2: Convert to fraction form
    49,142.20/67,762.64 = 33,198.96/x
  3. Step 3: Cross multiply
    49,142.20x = 67,762.64 × 33,198.96
  4. Step 4: Simplify right side
    49,142.20x = 2,249,649,174.85
  5. Step 5: Solve for x
    x = 2,249,649,174.85/49,142.20
  6. Step 6: Final answer
    x = 45,778.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.