Home / 71,379.36-107,085.24-49,201.56

Finding the Fourth Proportional to 71,379.36, 107,085.24 and 49,201.56

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Solution

The fourth proportional to 71,379.36, 107,085.24 and 49,201.56 is: 73,813.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,379.36 : 107,085.24 = 49,201.56 : x
  2. Step 2: Convert to fraction form
    71,379.36/107,085.24 = 49,201.56/x
  3. Step 3: Cross multiply
    71,379.36x = 107,085.24 × 49,201.56
  4. Step 4: Simplify right side
    71,379.36x = 5,268,760,860.97
  5. Step 5: Solve for x
    x = 5,268,760,860.97/71,379.36
  6. Step 6: Final answer
    x = 73,813.51

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1.5x scale

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.