Home / 51,786.66-77,696.31-18,505.98

Finding the Fourth Proportional to 51,786.66, 77,696.31 and 18,505.98

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Solution

The fourth proportional to 51,786.66, 77,696.31 and 18,505.98 is: 27,764.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,786.66 : 77,696.31 = 18,505.98 : x
  2. Step 2: Convert to fraction form
    51,786.66/77,696.31 = 18,505.98/x
  3. Step 3: Cross multiply
    51,786.66x = 77,696.31 × 18,505.98
  4. Step 4: Simplify right side
    51,786.66x = 1,437,846,358.93
  5. Step 5: Solve for x
    x = 1,437,846,358.93/51,786.66
  6. Step 6: Final answer
    x = 27,764.80

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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.