Home / 79,694.06-119,561.26-57,230.54

Finding the Fourth Proportional to 79,694.06, 119,561.26 and 57,230.54

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Solution

The fourth proportional to 79,694.06, 119,561.26 and 57,230.54 is: 85,860.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,694.06 : 119,561.26 = 57,230.54 : x
  2. Step 2: Convert to fraction form
    79,694.06/119,561.26 = 57,230.54/x
  3. Step 3: Cross multiply
    79,694.06x = 119,561.26 × 57,230.54
  4. Step 4: Simplify right side
    79,694.06x = 6,842,555,472.88
  5. Step 5: Solve for x
    x = 6,842,555,472.88/79,694.06
  6. Step 6: Final answer
    x = 85,860.29

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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.