Home / 87,619.26-120,914.46-49,893.51

Finding the Fourth Proportional to 87,619.26, 120,914.46 and 49,893.51

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Solution

The fourth proportional to 87,619.26, 120,914.46 and 49,893.51 is: 68,852.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,619.26 : 120,914.46 = 49,893.51 : x
  2. Step 2: Convert to fraction form
    87,619.26/120,914.46 = 49,893.51/x
  3. Step 3: Cross multiply
    87,619.26x = 120,914.46 × 49,893.51
  4. Step 4: Simplify right side
    87,619.26x = 6,032,846,819.15
  5. Step 5: Solve for x
    x = 6,032,846,819.15/87,619.26
  6. Step 6: Final answer
    x = 68,852.98

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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.