Home / 52,081.26-71,872.11-28,207.94

Finding the Fourth Proportional to 52,081.26, 71,872.11 and 28,207.94

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Solution

The fourth proportional to 52,081.26, 71,872.11 and 28,207.94 is: 38,926.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,081.26 : 71,872.11 = 28,207.94 : x
  2. Step 2: Convert to fraction form
    52,081.26/71,872.11 = 28,207.94/x
  3. Step 3: Cross multiply
    52,081.26x = 71,872.11 × 28,207.94
  4. Step 4: Simplify right side
    52,081.26x = 2,027,364,166.55
  5. Step 5: Solve for x
    x = 2,027,364,166.55/52,081.26
  6. Step 6: Final answer
    x = 38,926.94

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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.