Home / 51,724.28-71,379.48-29,063.36

Finding the Fourth Proportional to 51,724.28, 71,379.48 and 29,063.36

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Solution

The fourth proportional to 51,724.28, 71,379.48 and 29,063.36 is: 40,107.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,724.28 : 71,379.48 = 29,063.36 : x
  2. Step 2: Convert to fraction form
    51,724.28/71,379.48 = 29,063.36/x
  3. Step 3: Cross multiply
    51,724.28x = 71,379.48 × 29,063.36
  4. Step 4: Simplify right side
    51,724.28x = 2,074,527,523.85
  5. Step 5: Solve for x
    x = 2,074,527,523.85/51,724.28
  6. Step 6: Final answer
    x = 40,107.42

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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.