Home / 68,917.08-95,078.43-39,826.25

Finding the Fourth Proportional to 68,917.08, 95,078.43 and 39,826.25

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Solution

The fourth proportional to 68,917.08, 95,078.43 and 39,826.25 is: 54,944.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,917.08 : 95,078.43 = 39,826.25 : x
  2. Step 2: Convert to fraction form
    68,917.08/95,078.43 = 39,826.25/x
  3. Step 3: Cross multiply
    68,917.08x = 95,078.43 × 39,826.25
  4. Step 4: Simplify right side
    68,917.08x = 3,786,616,847.40
  5. Step 5: Solve for x
    x = 3,786,616,847.40/68,917.08
  6. Step 6: Final answer
    x = 54,944.53

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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.