Home / 87,658.24-120,961.07-48,893.67

Finding the Fourth Proportional to 87,658.24, 120,961.07 and 48,893.67

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Solution

The fourth proportional to 87,658.24, 120,961.07 and 48,893.67 is: 67,469.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,658.24 : 120,961.07 = 48,893.67 : x
  2. Step 2: Convert to fraction form
    87,658.24/120,961.07 = 48,893.67/x
  3. Step 3: Cross multiply
    87,658.24x = 120,961.07 × 48,893.67
  4. Step 4: Simplify right side
    87,658.24x = 5,914,230,639.43
  5. Step 5: Solve for x
    x = 5,914,230,639.43/87,658.24
  6. Step 6: Final answer
    x = 67,469.19

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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.