Home / 73,922.07-102,012.50-39,930.56

Finding the Fourth Proportional to 73,922.07, 102,012.50 and 39,930.56

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Solution

The fourth proportional to 73,922.07, 102,012.50 and 39,930.56 is: 55,104.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,922.07 : 102,012.50 = 39,930.56 : x
  2. Step 2: Convert to fraction form
    73,922.07/102,012.50 = 39,930.56/x
  3. Step 3: Cross multiply
    73,922.07x = 102,012.50 × 39,930.56
  4. Step 4: Simplify right side
    73,922.07x = 4,073,416,074.57
  5. Step 5: Solve for x
    x = 4,073,416,074.57/73,922.07
  6. Step 6: Final answer
    x = 55,104.19

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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.