Home / 71,974.20-107,962.38-27,603.48

Finding the Fourth Proportional to 71,974.20, 107,962.38 and 27,603.48

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Solution

The fourth proportional to 71,974.20, 107,962.38 and 27,603.48 is: 41,405.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,974.20 : 107,962.38 = 27,603.48 : x
  2. Step 2: Convert to fraction form
    71,974.20/107,962.38 = 27,603.48/x
  3. Step 3: Cross multiply
    71,974.20x = 107,962.38 × 27,603.48
  4. Step 4: Simplify right side
    71,974.20x = 2,980,137,397.08
  5. Step 5: Solve for x
    x = 2,980,137,397.08/71,974.20
  6. Step 6: Final answer
    x = 41,405.63

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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.