Home / 75,811.73-104,621.40-41,819.61

Finding the Fourth Proportional to 75,811.73, 104,621.40 and 41,819.61

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Solution

The fourth proportional to 75,811.73, 104,621.40 and 41,819.61 is: 57,711.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,811.73 : 104,621.40 = 41,819.61 : x
  2. Step 2: Convert to fraction form
    75,811.73/104,621.40 = 41,819.61/x
  3. Step 3: Cross multiply
    75,811.73x = 104,621.40 × 41,819.61
  4. Step 4: Simplify right side
    75,811.73x = 4,375,226,145.65
  5. Step 5: Solve for x
    x = 4,375,226,145.65/75,811.73
  6. Step 6: Final answer
    x = 57,711.73

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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.