Home / 87,029.94-120,092.27-51,217.82

Finding the Fourth Proportional to 87,029.94, 120,092.27 and 51,217.82

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Solution

The fourth proportional to 87,029.94, 120,092.27 and 51,217.82 is: 70,675.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,029.94 : 120,092.27 = 51,217.82 : x
  2. Step 2: Convert to fraction form
    87,029.94/120,092.27 = 51,217.82/x
  3. Step 3: Cross multiply
    87,029.94x = 120,092.27 × 51,217.82
  4. Step 4: Simplify right side
    87,029.94x = 6,150,864,268.25
  5. Step 5: Solve for x
    x = 6,150,864,268.25/87,029.94
  6. Step 6: Final answer
    x = 70,675.27

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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.