Home / 75,789.31-104,587.86-41,800.94

Finding the Fourth Proportional to 75,789.31, 104,587.86 and 41,800.94

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Solution

The fourth proportional to 75,789.31, 104,587.86 and 41,800.94 is: 57,684.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,789.31 : 104,587.86 = 41,800.94 : x
  2. Step 2: Convert to fraction form
    75,789.31/104,587.86 = 41,800.94/x
  3. Step 3: Cross multiply
    75,789.31x = 104,587.86 × 41,800.94
  4. Step 4: Simplify right side
    75,789.31x = 4,371,870,860.59
  5. Step 5: Solve for x
    x = 4,371,870,860.59/75,789.31
  6. Step 6: Final answer
    x = 57,684.54

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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.