Home / 71,470.08-107,161.92-34,041.60

Finding the Fourth Proportional to 71,470.08, 107,161.92 and 34,041.60

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Solution

The fourth proportional to 71,470.08, 107,161.92 and 34,041.60 is: 51,041.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,470.08 : 107,161.92 = 34,041.60 : x
  2. Step 2: Convert to fraction form
    71,470.08/107,161.92 = 34,041.60/x
  3. Step 3: Cross multiply
    71,470.08x = 107,161.92 × 34,041.60
  4. Step 4: Simplify right side
    71,470.08x = 3,647,963,215.87
  5. Step 5: Solve for x
    x = 3,647,963,215.87/71,470.08
  6. Step 6: Final answer
    x = 51,041.82

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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.