Home / 71,134.05-98,167.83-40,919.37

Finding the Fourth Proportional to 71,134.05, 98,167.83 and 40,919.37

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Solution

The fourth proportional to 71,134.05, 98,167.83 and 40,919.37 is: 56,470.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,134.05 : 98,167.83 = 40,919.37 : x
  2. Step 2: Convert to fraction form
    71,134.05/98,167.83 = 40,919.37/x
  3. Step 3: Cross multiply
    71,134.05x = 98,167.83 × 40,919.37
  4. Step 4: Simplify right side
    71,134.05x = 4,016,965,757.87
  5. Step 5: Solve for x
    x = 4,016,965,757.87/71,134.05
  6. Step 6: Final answer
    x = 56,470.36

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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.