Home / 86,268.81-129,458.52-41,871.36

Finding the Fourth Proportional to 86,268.81, 129,458.52 and 41,871.36

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Solution

The fourth proportional to 86,268.81, 129,458.52 and 41,871.36 is: 62,833.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,268.81 : 129,458.52 = 41,871.36 : x
  2. Step 2: Convert to fraction form
    86,268.81/129,458.52 = 41,871.36/x
  3. Step 3: Cross multiply
    86,268.81x = 129,458.52 × 41,871.36
  4. Step 4: Simplify right side
    86,268.81x = 5,420,604,295.99
  5. Step 5: Solve for x
    x = 5,420,604,295.99/86,268.81
  6. Step 6: Final answer
    x = 62,833.88

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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.