Home / 77,795.70-107,314.84-50,981.46

Finding the Fourth Proportional to 77,795.70, 107,314.84 and 50,981.46

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Solution

The fourth proportional to 77,795.70, 107,314.84 and 50,981.46 is: 70,326.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,795.70 : 107,314.84 = 50,981.46 : x
  2. Step 2: Convert to fraction form
    77,795.70/107,314.84 = 50,981.46/x
  3. Step 3: Cross multiply
    77,795.70x = 107,314.84 × 50,981.46
  4. Step 4: Simplify right side
    77,795.70x = 5,471,067,222.87
  5. Step 5: Solve for x
    x = 5,471,067,222.87/77,795.70
  6. Step 6: Final answer
    x = 70,326.09

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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.