Home / 75,909.43-104,755.85-41,917.85

Finding the Fourth Proportional to 75,909.43, 104,755.85 and 41,917.85

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Solution

The fourth proportional to 75,909.43, 104,755.85 and 41,917.85 is: 57,847.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,909.43 : 104,755.85 = 41,917.85 : x
  2. Step 2: Convert to fraction form
    75,909.43/104,755.85 = 41,917.85/x
  3. Step 3: Cross multiply
    75,909.43x = 104,755.85 × 41,917.85
  4. Step 4: Simplify right side
    75,909.43x = 4,391,140,006.92
  5. Step 5: Solve for x
    x = 4,391,140,006.92/75,909.43
  6. Step 6: Final answer
    x = 57,847.09

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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.