Home / 45,103.82-67,619.27-18,828.23

Finding the Fourth Proportional to 45,103.82, 67,619.27 and 18,828.23

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Solution

The fourth proportional to 45,103.82, 67,619.27 and 18,828.23 is: 28,227.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,103.82 : 67,619.27 = 18,828.23 : x
  2. Step 2: Convert to fraction form
    45,103.82/67,619.27 = 18,828.23/x
  3. Step 3: Cross multiply
    45,103.82x = 67,619.27 × 18,828.23
  4. Step 4: Simplify right side
    45,103.82x = 1,273,150,876.97
  5. Step 5: Solve for x
    x = 1,273,150,876.97/45,103.82
  6. Step 6: Final answer
    x = 28,227.12

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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.