Home / 87,227.84-120,380.64-49,504.52

Finding the Fourth Proportional to 87,227.84, 120,380.64 and 49,504.52

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Solution

The fourth proportional to 87,227.84, 120,380.64 and 49,504.52 is: 68,319.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,227.84 : 120,380.64 = 49,504.52 : x
  2. Step 2: Convert to fraction form
    87,227.84/120,380.64 = 49,504.52/x
  3. Step 3: Cross multiply
    87,227.84x = 120,380.64 × 49,504.52
  4. Step 4: Simplify right side
    87,227.84x = 5,959,385,800.49
  5. Step 5: Solve for x
    x = 5,959,385,800.49/87,227.84
  6. Step 6: Final answer
    x = 68,319.77

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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.