Home / 87,822.82-121,165.64-49,577.86

Finding the Fourth Proportional to 87,822.82, 121,165.64 and 49,577.86

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Solution

The fourth proportional to 87,822.82, 121,165.64 and 49,577.86 is: 68,400.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,822.82 : 121,165.64 = 49,577.86 : x
  2. Step 2: Convert to fraction form
    87,822.82/121,165.64 = 49,577.86/x
  3. Step 3: Cross multiply
    87,822.82x = 121,165.64 × 49,577.86
  4. Step 4: Simplify right side
    87,822.82x = 6,007,133,136.73
  5. Step 5: Solve for x
    x = 6,007,133,136.73/87,822.82
  6. Step 6: Final answer
    x = 68,400.59

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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.