Home / 68,917.08-95,078.42-39,826.26

Finding the Fourth Proportional to 68,917.08, 95,078.42 and 39,826.26

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Solution

The fourth proportional to 68,917.08, 95,078.42 and 39,826.26 is: 54,944.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,917.08 : 95,078.42 = 39,826.26 : x
  2. Step 2: Convert to fraction form
    68,917.08/95,078.42 = 39,826.26/x
  3. Step 3: Cross multiply
    68,917.08x = 95,078.42 × 39,826.26
  4. Step 4: Simplify right side
    68,917.08x = 3,786,617,875.31
  5. Step 5: Solve for x
    x = 3,786,617,875.31/68,917.08
  6. Step 6: Final answer
    x = 54,944.55

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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.