Home / 54,590.46-81,754.46-31,145.82

Finding the Fourth Proportional to 54,590.46, 81,754.46 and 31,145.82

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Solution

The fourth proportional to 54,590.46, 81,754.46 and 31,145.82 is: 46,643.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,590.46 : 81,754.46 = 31,145.82 : x
  2. Step 2: Convert to fraction form
    54,590.46/81,754.46 = 31,145.82/x
  3. Step 3: Cross multiply
    54,590.46x = 81,754.46 × 31,145.82
  4. Step 4: Simplify right side
    54,590.46x = 2,546,309,286.58
  5. Step 5: Solve for x
    x = 2,546,309,286.58/54,590.46
  6. Step 6: Final answer
    x = 46,643.86

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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.