Home / 74,380.44-111,571.58-21,791.00

Finding the Fourth Proportional to 74,380.44, 111,571.58 and 21,791.00

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Solution

The fourth proportional to 74,380.44, 111,571.58 and 21,791.00 is: 32,686.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,380.44 : 111,571.58 = 21,791.00 : x
  2. Step 2: Convert to fraction form
    74,380.44/111,571.58 = 21,791.00/x
  3. Step 3: Cross multiply
    74,380.44x = 111,571.58 × 21,791.00
  4. Step 4: Simplify right side
    74,380.44x = 2,431,255,632.97
  5. Step 5: Solve for x
    x = 2,431,255,632.97/74,380.44
  6. Step 6: Final answer
    x = 32,686.76

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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.