Home / 54,723.21-82,036.36-21,467.14

Finding the Fourth Proportional to 54,723.21, 82,036.36 and 21,467.14

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Solution

The fourth proportional to 54,723.21, 82,036.36 and 21,467.14 is: 32,181.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,723.21 : 82,036.36 = 21,467.14 : x
  2. Step 2: Convert to fraction form
    54,723.21/82,036.36 = 21,467.14/x
  3. Step 3: Cross multiply
    54,723.21x = 82,036.36 × 21,467.14
  4. Step 4: Simplify right side
    54,723.21x = 1,761,085,846.95
  5. Step 5: Solve for x
    x = 1,761,085,846.95/54,723.21
  6. Step 6: Final answer
    x = 32,181.70

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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.