Home / 77,968.35-107,596.19-43,976.73

Finding the Fourth Proportional to 77,968.35, 107,596.19 and 43,976.73

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Solution

The fourth proportional to 77,968.35, 107,596.19 and 43,976.73 is: 60,687.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,968.35 : 107,596.19 = 43,976.73 : x
  2. Step 2: Convert to fraction form
    77,968.35/107,596.19 = 43,976.73/x
  3. Step 3: Cross multiply
    77,968.35x = 107,596.19 × 43,976.73
  4. Step 4: Simplify right side
    77,968.35x = 4,731,728,376.78
  5. Step 5: Solve for x
    x = 4,731,728,376.78/77,968.35
  6. Step 6: Final answer
    x = 60,687.81

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1.5x scale

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.