Home / 80,971.94-121,494.82-41,556.73

Finding the Fourth Proportional to 80,971.94, 121,494.82 and 41,556.73

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Solution

The fourth proportional to 80,971.94, 121,494.82 and 41,556.73 is: 62,354.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,971.94 : 121,494.82 = 41,556.73 : x
  2. Step 2: Convert to fraction form
    80,971.94/121,494.82 = 41,556.73/x
  3. Step 3: Cross multiply
    80,971.94x = 121,494.82 × 41,556.73
  4. Step 4: Simplify right side
    80,971.94x = 5,048,927,431.14
  5. Step 5: Solve for x
    x = 5,048,927,431.14/80,971.94
  6. Step 6: Final answer
    x = 62,354.04

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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.