Home / 71,585.28-107,356.04-34,125.60

Finding the Fourth Proportional to 71,585.28, 107,356.04 and 34,125.60

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Solution

The fourth proportional to 71,585.28, 107,356.04 and 34,125.60 is: 51,177.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,585.28 : 107,356.04 = 34,125.60 : x
  2. Step 2: Convert to fraction form
    71,585.28/107,356.04 = 34,125.60/x
  3. Step 3: Cross multiply
    71,585.28x = 107,356.04 × 34,125.60
  4. Step 4: Simplify right side
    71,585.28x = 3,663,589,278.62
  5. Step 5: Solve for x
    x = 3,663,589,278.62/71,585.28
  6. Step 6: Final answer
    x = 51,177.97

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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.