Home / 74,942.09-112,380.20-39,873.41

Finding the Fourth Proportional to 74,942.09, 112,380.20 and 39,873.41

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Solution

The fourth proportional to 74,942.09, 112,380.20 and 39,873.41 is: 59,792.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,942.09 : 112,380.20 = 39,873.41 : x
  2. Step 2: Convert to fraction form
    74,942.09/112,380.20 = 39,873.41/x
  3. Step 3: Cross multiply
    74,942.09x = 112,380.20 × 39,873.41
  4. Step 4: Simplify right side
    74,942.09x = 4,480,981,591.11
  5. Step 5: Solve for x
    x = 4,480,981,591.11/74,942.09
  6. Step 6: Final answer
    x = 59,792.59

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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.