Home / 68,975.15-95,229.27-45,142.11

Finding the Fourth Proportional to 68,975.15, 95,229.27 and 45,142.11

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Solution

The fourth proportional to 68,975.15, 95,229.27 and 45,142.11 is: 62,324.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,975.15 : 95,229.27 = 45,142.11 : x
  2. Step 2: Convert to fraction form
    68,975.15/95,229.27 = 45,142.11/x
  3. Step 3: Cross multiply
    68,975.15x = 95,229.27 × 45,142.11
  4. Step 4: Simplify right side
    68,975.15x = 4,298,850,181.56
  5. Step 5: Solve for x
    x = 4,298,850,181.56/68,975.15
  6. Step 6: Final answer
    x = 62,324.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.