Home / 87,025.24-120,103.32-48,791.32

Finding the Fourth Proportional to 87,025.24, 120,103.32 and 48,791.32

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Solution

The fourth proportional to 87,025.24, 120,103.32 and 48,791.32 is: 67,336.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,025.24 : 120,103.32 = 48,791.32 : x
  2. Step 2: Convert to fraction form
    87,025.24/120,103.32 = 48,791.32/x
  3. Step 3: Cross multiply
    87,025.24x = 120,103.32 × 48,791.32
  4. Step 4: Simplify right side
    87,025.24x = 5,859,999,519.18
  5. Step 5: Solve for x
    x = 5,859,999,519.18/87,025.24
  6. Step 6: Final answer
    x = 67,336.78

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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.