Home / 27,845.02-41,763.21-8,121.52

Finding the Fourth Proportional to 27,845.02, 41,763.21 and 8,121.52

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Solution

The fourth proportional to 27,845.02, 41,763.21 and 8,121.52 is: 12,181.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,845.02 : 41,763.21 = 8,121.52 : x
  2. Step 2: Convert to fraction form
    27,845.02/41,763.21 = 8,121.52/x
  3. Step 3: Cross multiply
    27,845.02x = 41,763.21 × 8,121.52
  4. Step 4: Simplify right side
    27,845.02x = 339,180,745.28
  5. Step 5: Solve for x
    x = 339,180,745.28/27,845.02
  6. Step 6: Final answer
    x = 12,181.02

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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.