Home / 87,035.87-120,108.48-48,795.23

Finding the Fourth Proportional to 87,035.87, 120,108.48 and 48,795.23

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Solution

The fourth proportional to 87,035.87, 120,108.48 and 48,795.23 is: 67,336.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,035.87 : 120,108.48 = 48,795.23 : x
  2. Step 2: Convert to fraction form
    87,035.87/120,108.48 = 48,795.23/x
  3. Step 3: Cross multiply
    87,035.87x = 120,108.48 × 48,795.23
  4. Step 4: Simplify right side
    87,035.87x = 5,860,720,906.55
  5. Step 5: Solve for x
    x = 5,860,720,906.55/87,035.87
  6. Step 6: Final answer
    x = 67,336.85

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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.