Home / 77,310.73-115,769.21-50,935.51

Finding the Fourth Proportional to 77,310.73, 115,769.21 and 50,935.51

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Solution

The fourth proportional to 77,310.73, 115,769.21 and 50,935.51 is: 76,273.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,310.73 : 115,769.21 = 50,935.51 : x
  2. Step 2: Convert to fraction form
    77,310.73/115,769.21 = 50,935.51/x
  3. Step 3: Cross multiply
    77,310.73x = 115,769.21 × 50,935.51
  4. Step 4: Simplify right side
    77,310.73x = 5,896,763,753.65
  5. Step 5: Solve for x
    x = 5,896,763,753.65/77,310.73
  6. Step 6: Final answer
    x = 76,273.55

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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.