Home / 71,163.39-98,195.00-40,536.75

Finding the Fourth Proportional to 71,163.39, 98,195.00 and 40,536.75

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Solution

The fourth proportional to 71,163.39, 98,195.00 and 40,536.75 is: 55,934.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,163.39 : 98,195.00 = 40,536.75 : x
  2. Step 2: Convert to fraction form
    71,163.39/98,195.00 = 40,536.75/x
  3. Step 3: Cross multiply
    71,163.39x = 98,195.00 × 40,536.75
  4. Step 4: Simplify right side
    71,163.39x = 3,980,505,963.57
  5. Step 5: Solve for x
    x = 3,980,505,963.57/71,163.39
  6. Step 6: Final answer
    x = 55,934.74

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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.