Home / 87,584.94-120,867.35-49,859.19

Finding the Fourth Proportional to 87,584.94, 120,867.35 and 49,859.19

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Solution

The fourth proportional to 87,584.94, 120,867.35 and 49,859.19 is: 68,805.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,584.94 : 120,867.35 = 49,859.19 : x
  2. Step 2: Convert to fraction form
    87,584.94/120,867.35 = 49,859.19/x
  3. Step 3: Cross multiply
    87,584.94x = 120,867.35 × 49,859.19
  4. Step 4: Simplify right side
    87,584.94x = 6,026,348,168.45
  5. Step 5: Solve for x
    x = 6,026,348,168.45/87,584.94
  6. Step 6: Final answer
    x = 68,805.76

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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.