Home / 71,871.41-107,827.92-29,743.72

Finding the Fourth Proportional to 71,871.41, 107,827.92 and 29,743.72

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Solution

The fourth proportional to 71,871.41, 107,827.92 and 29,743.72 is: 44,624.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,871.41 : 107,827.92 = 29,743.72 : x
  2. Step 2: Convert to fraction form
    71,871.41/107,827.92 = 29,743.72/x
  3. Step 3: Cross multiply
    71,871.41x = 107,827.92 × 29,743.72
  4. Step 4: Simplify right side
    71,871.41x = 3,207,203,191.09
  5. Step 5: Solve for x
    x = 3,207,203,191.09/71,871.41
  6. Step 6: Final answer
    x = 44,624.18

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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.