Home / 68,975.86-95,195.46-42,112.60

Finding the Fourth Proportional to 68,975.86, 95,195.46 and 42,112.60

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Solution

The fourth proportional to 68,975.86, 95,195.46 and 42,112.60 is: 58,120.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,975.86 : 95,195.46 = 42,112.60 : x
  2. Step 2: Convert to fraction form
    68,975.86/95,195.46 = 42,112.60/x
  3. Step 3: Cross multiply
    68,975.86x = 95,195.46 × 42,112.60
  4. Step 4: Simplify right side
    68,975.86x = 4,008,928,328.80
  5. Step 5: Solve for x
    x = 4,008,928,328.80/68,975.86
  6. Step 6: Final answer
    x = 58,120.74

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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.