Home / 77,163.14-106,489.27-43,169.60

Finding the Fourth Proportional to 77,163.14, 106,489.27 and 43,169.60

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Solution

The fourth proportional to 77,163.14, 106,489.27 and 43,169.60 is: 59,576.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,163.14 : 106,489.27 = 43,169.60 : x
  2. Step 2: Convert to fraction form
    77,163.14/106,489.27 = 43,169.60/x
  3. Step 3: Cross multiply
    77,163.14x = 106,489.27 × 43,169.60
  4. Step 4: Simplify right side
    77,163.14x = 4,597,099,348.49
  5. Step 5: Solve for x
    x = 4,597,099,348.49/77,163.14
  6. Step 6: Final answer
    x = 59,576.37

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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.