Home / 78,067.98-107,724.06-44,072.28

Finding the Fourth Proportional to 78,067.98, 107,724.06 and 44,072.28

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Solution

The fourth proportional to 78,067.98, 107,724.06 and 44,072.28 is: 60,814.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,067.98 : 107,724.06 = 44,072.28 : x
  2. Step 2: Convert to fraction form
    78,067.98/107,724.06 = 44,072.28/x
  3. Step 3: Cross multiply
    78,067.98x = 107,724.06 × 44,072.28
  4. Step 4: Simplify right side
    78,067.98x = 4,747,644,935.06
  5. Step 5: Solve for x
    x = 4,747,644,935.06/78,067.98
  6. Step 6: Final answer
    x = 60,814.24

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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.