Home / 74,175.48-111,262.20-18,016

Finding the Fourth Proportional to 74,175.48, 111,262.20 and 18,016

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Solution

The fourth proportional to 74,175.48, 111,262.20 and 18,016 is: 27,023.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,175.48 : 111,262.20 = 18,016 : x
  2. Step 2: Convert to fraction form
    74,175.48/111,262.20 = 18,016/x
  3. Step 3: Cross multiply
    74,175.48x = 111,262.20 × 18,016
  4. Step 4: Simplify right side
    74,175.48x = 2,004,499,795.20
  5. Step 5: Solve for x
    x = 2,004,499,795.20/74,175.48
  6. Step 6: Final answer
    x = 27,023.75

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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.