Home / 55,198.79-82,796.28-15,755.90

Finding the Fourth Proportional to 55,198.79, 82,796.28 and 15,755.90

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Solution

The fourth proportional to 55,198.79, 82,796.28 and 15,755.90 is: 23,633.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,198.79 : 82,796.28 = 15,755.90 : x
  2. Step 2: Convert to fraction form
    55,198.79/82,796.28 = 15,755.90/x
  3. Step 3: Cross multiply
    55,198.79x = 82,796.28 × 15,755.90
  4. Step 4: Simplify right side
    55,198.79x = 1,304,529,908.05
  5. Step 5: Solve for x
    x = 1,304,529,908.05/55,198.79
  6. Step 6: Final answer
    x = 23,633.31

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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.