Home / 68,975.25-95,194.64-42,112.05

Finding the Fourth Proportional to 68,975.25, 95,194.64 and 42,112.05

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Solution

The fourth proportional to 68,975.25, 95,194.64 and 42,112.05 is: 58,120.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,975.25 : 95,194.64 = 42,112.05 : x
  2. Step 2: Convert to fraction form
    68,975.25/95,194.64 = 42,112.05/x
  3. Step 3: Cross multiply
    68,975.25x = 95,194.64 × 42,112.05
  4. Step 4: Simplify right side
    68,975.25x = 4,008,841,723.18
  5. Step 5: Solve for x
    x = 4,008,841,723.18/68,975.25
  6. Step 6: Final answer
    x = 58,120.01

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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.