Home / 49,451.20-68,224.26-31,542.10

Finding the Fourth Proportional to 49,451.20, 68,224.26 and 31,542.10

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Solution

The fourth proportional to 49,451.20, 68,224.26 and 31,542.10 is: 43,516.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,451.20 : 68,224.26 = 31,542.10 : x
  2. Step 2: Convert to fraction form
    49,451.20/68,224.26 = 31,542.10/x
  3. Step 3: Cross multiply
    49,451.20x = 68,224.26 × 31,542.10
  4. Step 4: Simplify right side
    49,451.20x = 2,151,936,431.35
  5. Step 5: Solve for x
    x = 2,151,936,431.35/49,451.20
  6. Step 6: Final answer
    x = 43,516.36

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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.