Home / 54,143.44-81,247.96-22,978.69

Finding the Fourth Proportional to 54,143.44, 81,247.96 and 22,978.69

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Solution

The fourth proportional to 54,143.44, 81,247.96 and 22,978.69 is: 34,481.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,143.44 : 81,247.96 = 22,978.69 : x
  2. Step 2: Convert to fraction form
    54,143.44/81,247.96 = 22,978.69/x
  3. Step 3: Cross multiply
    54,143.44x = 81,247.96 × 22,978.69
  4. Step 4: Simplify right side
    54,143.44x = 1,866,971,511.58
  5. Step 5: Solve for x
    x = 1,866,971,511.58/54,143.44
  6. Step 6: Final answer
    x = 34,481.95

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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.