Home / 75,910.19-104,786.94-49,054.91

Finding the Fourth Proportional to 75,910.19, 104,786.94 and 49,054.91

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Solution

The fourth proportional to 75,910.19, 104,786.94 and 49,054.91 is: 67,715.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,910.19 : 104,786.94 = 49,054.91 : x
  2. Step 2: Convert to fraction form
    75,910.19/104,786.94 = 49,054.91/x
  3. Step 3: Cross multiply
    75,910.19x = 104,786.94 × 49,054.91
  4. Step 4: Simplify right side
    75,910.19x = 5,140,313,386.94
  5. Step 5: Solve for x
    x = 5,140,313,386.94/75,910.19
  6. Step 6: Final answer
    x = 67,715.73

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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.