Home / 87,520.68-120,777.48-49,794.84

Finding the Fourth Proportional to 87,520.68, 120,777.48 and 49,794.84

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Solution

The fourth proportional to 87,520.68, 120,777.48 and 49,794.84 is: 68,716.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,520.68 : 120,777.48 = 49,794.84 : x
  2. Step 2: Convert to fraction form
    87,520.68/120,777.48 = 49,794.84/x
  3. Step 3: Cross multiply
    87,520.68x = 120,777.48 × 49,794.84
  4. Step 4: Simplify right side
    87,520.68x = 6,014,095,292.20
  5. Step 5: Solve for x
    x = 6,014,095,292.20/87,520.68
  6. Step 6: Final answer
    x = 68,716.28

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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.