Home / 74,081.79-111,147.62-23,489.06

Finding the Fourth Proportional to 74,081.79, 111,147.62 and 23,489.06

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Solution

The fourth proportional to 74,081.79, 111,147.62 and 23,489.06 is: 35,241.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,081.79 : 111,147.62 = 23,489.06 : x
  2. Step 2: Convert to fraction form
    74,081.79/111,147.62 = 23,489.06/x
  3. Step 3: Cross multiply
    74,081.79x = 111,147.62 × 23,489.06
  4. Step 4: Simplify right side
    74,081.79x = 2,610,752,441.85
  5. Step 5: Solve for x
    x = 2,610,752,441.85/74,081.79
  6. Step 6: Final answer
    x = 35,241.49

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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.