Home / 68,917.58-95,079.11-39,826.76

Finding the Fourth Proportional to 68,917.58, 95,079.11 and 39,826.76

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Solution

The fourth proportional to 68,917.58, 95,079.11 and 39,826.76 is: 54,945.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,917.58 : 95,079.11 = 39,826.76 : x
  2. Step 2: Convert to fraction form
    68,917.58/95,079.11 = 39,826.76/x
  3. Step 3: Cross multiply
    68,917.58x = 95,079.11 × 39,826.76
  4. Step 4: Simplify right side
    68,917.58x = 3,786,692,894.98
  5. Step 5: Solve for x
    x = 3,786,692,894.98/68,917.58
  6. Step 6: Final answer
    x = 54,945.24

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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.