Home / 87,096.67-120,193.32-49,370.92

Finding the Fourth Proportional to 87,096.67, 120,193.32 and 49,370.92

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Solution

The fourth proportional to 87,096.67, 120,193.32 and 49,370.92 is: 68,131.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,096.67 : 120,193.32 = 49,370.92 : x
  2. Step 2: Convert to fraction form
    87,096.67/120,193.32 = 49,370.92/x
  3. Step 3: Cross multiply
    87,096.67x = 120,193.32 × 49,370.92
  4. Step 4: Simplify right side
    87,096.67x = 5,934,054,786.25
  5. Step 5: Solve for x
    x = 5,934,054,786.25/87,096.67
  6. Step 6: Final answer
    x = 68,131.82

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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.