Home / 81,267.44-121,947.60-43,827.26

Finding the Fourth Proportional to 81,267.44, 121,947.60 and 43,827.26

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Solution

The fourth proportional to 81,267.44, 121,947.60 and 43,827.26 is: 65,765.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,267.44 : 121,947.60 = 43,827.26 : x
  2. Step 2: Convert to fraction form
    81,267.44/121,947.60 = 43,827.26/x
  3. Step 3: Cross multiply
    81,267.44x = 121,947.60 × 43,827.26
  4. Step 4: Simplify right side
    81,267.44x = 5,344,629,171.58
  5. Step 5: Solve for x
    x = 5,344,629,171.58/81,267.44
  6. Step 6: Final answer
    x = 65,765.93

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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.