Home / 71,932.22-107,964.88-36,418.50

Finding the Fourth Proportional to 71,932.22, 107,964.88 and 36,418.50

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Solution

The fourth proportional to 71,932.22, 107,964.88 and 36,418.50 is: 54,661.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,932.22 : 107,964.88 = 36,418.50 : x
  2. Step 2: Convert to fraction form
    71,932.22/107,964.88 = 36,418.50/x
  3. Step 3: Cross multiply
    71,932.22x = 107,964.88 × 36,418.50
  4. Step 4: Simplify right side
    71,932.22x = 3,931,918,982.28
  5. Step 5: Solve for x
    x = 3,931,918,982.28/71,932.22
  6. Step 6: Final answer
    x = 54,661.44

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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.