Home / 77,739.13-107,260.97-43,741

Finding the Fourth Proportional to 77,739.13, 107,260.97 and 43,741

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Solution

The fourth proportional to 77,739.13, 107,260.97 and 43,741 is: 60,351.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,739.13 : 107,260.97 = 43,741 : x
  2. Step 2: Convert to fraction form
    77,739.13/107,260.97 = 43,741/x
  3. Step 3: Cross multiply
    77,739.13x = 107,260.97 × 43,741
  4. Step 4: Simplify right side
    77,739.13x = 4,691,702,088.77
  5. Step 5: Solve for x
    x = 4,691,702,088.77/77,739.13
  6. Step 6: Final answer
    x = 60,351.87

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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.