Home / 87,906.54-121,196.84-56,020.08

Finding the Fourth Proportional to 87,906.54, 121,196.84 and 56,020.08

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Solution

The fourth proportional to 87,906.54, 121,196.84 and 56,020.08 is: 77,234.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,906.54 : 121,196.84 = 56,020.08 : x
  2. Step 2: Convert to fraction form
    87,906.54/121,196.84 = 56,020.08/x
  3. Step 3: Cross multiply
    87,906.54x = 121,196.84 × 56,020.08
  4. Step 4: Simplify right side
    87,906.54x = 6,789,456,672.55
  5. Step 5: Solve for x
    x = 6,789,456,672.55/87,906.54
  6. Step 6: Final answer
    x = 77,234.94

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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.