Home / 71,471.08-107,163.42-34,042.60

Finding the Fourth Proportional to 71,471.08, 107,163.42 and 34,042.60

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Solution

The fourth proportional to 71,471.08, 107,163.42 and 34,042.60 is: 51,043.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,471.08 : 107,163.42 = 34,042.60 : x
  2. Step 2: Convert to fraction form
    71,471.08/107,163.42 = 34,042.60/x
  3. Step 3: Cross multiply
    71,471.08x = 107,163.42 × 34,042.60
  4. Step 4: Simplify right side
    71,471.08x = 3,648,121,441.69
  5. Step 5: Solve for x
    x = 3,648,121,441.69/71,471.08
  6. Step 6: Final answer
    x = 51,043.32

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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.