Home / 56,098.82-84,123.24-20,550.75

Finding the Fourth Proportional to 56,098.82, 84,123.24 and 20,550.75

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Solution

The fourth proportional to 56,098.82, 84,123.24 and 20,550.75 is: 30,816.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,098.82 : 84,123.24 = 20,550.75 : x
  2. Step 2: Convert to fraction form
    56,098.82/84,123.24 = 20,550.75/x
  3. Step 3: Cross multiply
    56,098.82x = 84,123.24 × 20,550.75
  4. Step 4: Simplify right side
    56,098.82x = 1,728,795,674.43
  5. Step 5: Solve for x
    x = 1,728,795,674.43/56,098.82
  6. Step 6: Final answer
    x = 30,816.97

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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.