Home / 87,571.44-120,849.30-49,848.12

Finding the Fourth Proportional to 87,571.44, 120,849.30 and 49,848.12

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Solution

The fourth proportional to 87,571.44, 120,849.30 and 49,848.12 is: 68,790.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,571.44 : 120,849.30 = 49,848.12 : x
  2. Step 2: Convert to fraction form
    87,571.44/120,849.30 = 49,848.12/x
  3. Step 3: Cross multiply
    87,571.44x = 120,849.30 × 49,848.12
  4. Step 4: Simplify right side
    87,571.44x = 6,024,110,408.32
  5. Step 5: Solve for x
    x = 6,024,110,408.32/87,571.44
  6. Step 6: Final answer
    x = 68,790.81

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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.