Home / 45,103.44-67,618.71-18,827.85

Finding the Fourth Proportional to 45,103.44, 67,618.71 and 18,827.85

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Solution

The fourth proportional to 45,103.44, 67,618.71 and 18,827.85 is: 28,226.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,103.44 : 67,618.71 = 18,827.85 : x
  2. Step 2: Convert to fraction form
    45,103.44/67,618.71 = 18,827.85/x
  3. Step 3: Cross multiply
    45,103.44x = 67,618.71 × 18,827.85
  4. Step 4: Simplify right side
    45,103.44x = 1,273,114,929.07
  5. Step 5: Solve for x
    x = 1,273,114,929.07/45,103.44
  6. Step 6: Final answer
    x = 28,226.56

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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.