Home / 74,690.82-111,997.35-22,093.20

Finding the Fourth Proportional to 74,690.82, 111,997.35 and 22,093.20

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Solution

The fourth proportional to 74,690.82, 111,997.35 and 22,093.20 is: 33,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,690.82 : 111,997.35 = 22,093.20 : x
  2. Step 2: Convert to fraction form
    74,690.82/111,997.35 = 22,093.20/x
  3. Step 3: Cross multiply
    74,690.82x = 111,997.35 × 22,093.20
  4. Step 4: Simplify right side
    74,690.82x = 2,474,379,853.02
  5. Step 5: Solve for x
    x = 2,474,379,853.02/74,690.82
  6. Step 6: Final answer
    x = 33,128.30

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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.