Home / 81,267.33-121,811.99-41,826.60

Finding the Fourth Proportional to 81,267.33, 121,811.99 and 41,826.60

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Solution

The fourth proportional to 81,267.33, 121,811.99 and 41,826.60 is: 62,694.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,267.33 : 121,811.99 = 41,826.60 : x
  2. Step 2: Convert to fraction form
    81,267.33/121,811.99 = 41,826.60/x
  3. Step 3: Cross multiply
    81,267.33x = 121,811.99 × 41,826.60
  4. Step 4: Simplify right side
    81,267.33x = 5,094,981,171.80
  5. Step 5: Solve for x
    x = 5,094,981,171.80/81,267.33
  6. Step 6: Final answer
    x = 62,694.09

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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.