Home / 54,658.85-81,933.46-19,092.56

Finding the Fourth Proportional to 54,658.85, 81,933.46 and 19,092.56

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Solution

The fourth proportional to 54,658.85, 81,933.46 and 19,092.56 is: 28,619.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,658.85 : 81,933.46 = 19,092.56 : x
  2. Step 2: Convert to fraction form
    54,658.85/81,933.46 = 19,092.56/x
  3. Step 3: Cross multiply
    54,658.85x = 81,933.46 × 19,092.56
  4. Step 4: Simplify right side
    54,658.85x = 1,564,319,043.66
  5. Step 5: Solve for x
    x = 1,564,319,043.66/54,658.85
  6. Step 6: Final answer
    x = 28,619.69

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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.