Home / 54,234.88-81,355.20-17,296

Finding the Fourth Proportional to 54,234.88, 81,355.20 and 17,296

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Solution

The fourth proportional to 54,234.88, 81,355.20 and 17,296 is: 25,944.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,234.88 : 81,355.20 = 17,296 : x
  2. Step 2: Convert to fraction form
    54,234.88/81,355.20 = 17,296/x
  3. Step 3: Cross multiply
    54,234.88x = 81,355.20 × 17,296
  4. Step 4: Simplify right side
    54,234.88x = 1,407,119,539.20
  5. Step 5: Solve for x
    x = 1,407,119,539.20/54,234.88
  6. Step 6: Final answer
    x = 25,944.92

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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.