Home / 86,351.68-129,563.37-41,350.36

Finding the Fourth Proportional to 86,351.68, 129,563.37 and 41,350.36

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Solution

The fourth proportional to 86,351.68, 129,563.37 and 41,350.36 is: 62,042.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,351.68 : 129,563.37 = 41,350.36 : x
  2. Step 2: Convert to fraction form
    86,351.68/129,563.37 = 41,350.36/x
  3. Step 3: Cross multiply
    86,351.68x = 129,563.37 × 41,350.36
  4. Step 4: Simplify right side
    86,351.68x = 5,357,491,992.31
  5. Step 5: Solve for x
    x = 5,357,491,992.31/86,351.68
  6. Step 6: Final answer
    x = 62,042.71

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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.