Home / 74,035.20-111,067.84-27,288.32

Finding the Fourth Proportional to 74,035.20, 111,067.84 and 27,288.32

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Solution

The fourth proportional to 74,035.20, 111,067.84 and 27,288.32 is: 40,938.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,035.20 : 111,067.84 = 27,288.32 : x
  2. Step 2: Convert to fraction form
    74,035.20/111,067.84 = 27,288.32/x
  3. Step 3: Cross multiply
    74,035.20x = 111,067.84 × 27,288.32
  4. Step 4: Simplify right side
    74,035.20x = 3,030,854,759.63
  5. Step 5: Solve for x
    x = 3,030,854,759.63/74,035.20
  6. Step 6: Final answer
    x = 40,938.02

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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.