Home / 71,821.14-107,780.94-25,074.02

Finding the Fourth Proportional to 71,821.14, 107,780.94 and 25,074.02

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Solution

The fourth proportional to 71,821.14, 107,780.94 and 25,074.02 is: 37,628.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,821.14 : 107,780.94 = 25,074.02 : x
  2. Step 2: Convert to fraction form
    71,821.14/107,780.94 = 25,074.02/x
  3. Step 3: Cross multiply
    71,821.14x = 107,780.94 × 25,074.02
  4. Step 4: Simplify right side
    71,821.14x = 2,702,500,906.27
  5. Step 5: Solve for x
    x = 2,702,500,906.27/71,821.14
  6. Step 6: Final answer
    x = 37,628.21

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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.