Home / 54,855.36-82,285.84-17,412.56

Finding the Fourth Proportional to 54,855.36, 82,285.84 and 17,412.56

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Solution

The fourth proportional to 54,855.36, 82,285.84 and 17,412.56 is: 26,119.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,855.36 : 82,285.84 = 17,412.56 : x
  2. Step 2: Convert to fraction form
    54,855.36/82,285.84 = 17,412.56/x
  3. Step 3: Cross multiply
    54,855.36x = 82,285.84 × 17,412.56
  4. Step 4: Simplify right side
    54,855.36x = 1,432,807,126.15
  5. Step 5: Solve for x
    x = 1,432,807,126.15/54,855.36
  6. Step 6: Final answer
    x = 26,119.73

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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.