Home / 71,926.62-107,876.94-19,323.80

Finding the Fourth Proportional to 71,926.62, 107,876.94 and 19,323.80

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Solution

The fourth proportional to 71,926.62, 107,876.94 and 19,323.80 is: 28,982.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,926.62 : 107,876.94 = 19,323.80 : x
  2. Step 2: Convert to fraction form
    71,926.62/107,876.94 = 19,323.80/x
  3. Step 3: Cross multiply
    71,926.62x = 107,876.94 × 19,323.80
  4. Step 4: Simplify right side
    71,926.62x = 2,084,591,873.79
  5. Step 5: Solve for x
    x = 2,084,591,873.79/71,926.62
  6. Step 6: Final answer
    x = 28,982.20

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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.