Home / 95,383.75-131,664.91-81,900.85

Finding the Fourth Proportional to 95,383.75, 131,664.91 and 81,900.85

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Solution

The fourth proportional to 95,383.75, 131,664.91 and 81,900.85 is: 113,053.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,383.75 : 131,664.91 = 81,900.85 : x
  2. Step 2: Convert to fraction form
    95,383.75/131,664.91 = 81,900.85/x
  3. Step 3: Cross multiply
    95,383.75x = 131,664.91 × 81,900.85
  4. Step 4: Simplify right side
    95,383.75x = 10,783,468,044.17
  5. Step 5: Solve for x
    x = 10,783,468,044.17/95,383.75
  6. Step 6: Final answer
    x = 113,053.51

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1.5x scale

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.