Home / 111,175.20-166,712.38-47,965.44

Finding the Fourth Proportional to 111,175.20, 166,712.38 and 47,965.44

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Solution

The fourth proportional to 111,175.20, 166,712.38 and 47,965.44 is: 71,926.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,175.20 : 166,712.38 = 47,965.44 : x
  2. Step 2: Convert to fraction form
    111,175.20/166,712.38 = 47,965.44/x
  3. Step 3: Cross multiply
    111,175.20x = 166,712.38 × 47,965.44
  4. Step 4: Simplify right side
    111,175.20x = 7,996,432,660.15
  5. Step 5: Solve for x
    x = 7,996,432,660.15/111,175.20
  6. Step 6: Final answer
    x = 71,926.41

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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.