Home / 55,216.22-82,816.07-17,771.36

Finding the Fourth Proportional to 55,216.22, 82,816.07 and 17,771.36

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Solution

The fourth proportional to 55,216.22, 82,816.07 and 17,771.36 is: 26,654.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,216.22 : 82,816.07 = 17,771.36 : x
  2. Step 2: Convert to fraction form
    55,216.22/82,816.07 = 17,771.36/x
  3. Step 3: Cross multiply
    55,216.22x = 82,816.07 × 17,771.36
  4. Step 4: Simplify right side
    55,216.22x = 1,471,753,690.82
  5. Step 5: Solve for x
    x = 1,471,753,690.82/55,216.22
  6. Step 6: Final answer
    x = 26,654.37

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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.