Home / 91,748.88-137,616.64-41,163.57

Finding the Fourth Proportional to 91,748.88, 137,616.64 and 41,163.57

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Solution

The fourth proportional to 91,748.88, 137,616.64 and 41,163.57 is: 61,742.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,748.88 : 137,616.64 = 41,163.57 : x
  2. Step 2: Convert to fraction form
    91,748.88/137,616.64 = 41,163.57/x
  3. Step 3: Cross multiply
    91,748.88x = 137,616.64 × 41,163.57
  4. Step 4: Simplify right side
    91,748.88x = 5,664,792,090.90
  5. Step 5: Solve for x
    x = 5,664,792,090.90/91,748.88
  6. Step 6: Final answer
    x = 61,742.36

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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.