Home / 76,175.82-105,087.33-49,327.02

Finding the Fourth Proportional to 76,175.82, 105,087.33 and 49,327.02

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Solution

The fourth proportional to 76,175.82, 105,087.33 and 49,327.02 is: 68,048.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,175.82 : 105,087.33 = 49,327.02 : x
  2. Step 2: Convert to fraction form
    76,175.82/105,087.33 = 49,327.02/x
  3. Step 3: Cross multiply
    76,175.82x = 105,087.33 × 49,327.02
  4. Step 4: Simplify right side
    76,175.82x = 5,183,644,828.66
  5. Step 5: Solve for x
    x = 5,183,644,828.66/76,175.82
  6. Step 6: Final answer
    x = 68,048.43

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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.