Home / 53,849.56-80,724.15-18,286.56

Finding the Fourth Proportional to 53,849.56, 80,724.15 and 18,286.56

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Solution

The fourth proportional to 53,849.56, 80,724.15 and 18,286.56 is: 27,412.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,849.56 : 80,724.15 = 18,286.56 : x
  2. Step 2: Convert to fraction form
    53,849.56/80,724.15 = 18,286.56/x
  3. Step 3: Cross multiply
    53,849.56x = 80,724.15 × 18,286.56
  4. Step 4: Simplify right side
    53,849.56x = 1,476,167,012.42
  5. Step 5: Solve for x
    x = 1,476,167,012.42/53,849.56
  6. Step 6: Final answer
    x = 27,412.80

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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.