Home / 87,754.78-121,103.67-50,032.54

Finding the Fourth Proportional to 87,754.78, 121,103.67 and 50,032.54

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Solution

The fourth proportional to 87,754.78, 121,103.67 and 50,032.54 is: 69,046.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,754.78 : 121,103.67 = 50,032.54 : x
  2. Step 2: Convert to fraction form
    87,754.78/121,103.67 = 50,032.54/x
  3. Step 3: Cross multiply
    87,754.78x = 121,103.67 × 50,032.54
  4. Step 4: Simplify right side
    87,754.78x = 6,059,124,213.42
  5. Step 5: Solve for x
    x = 6,059,124,213.42/87,754.78
  6. Step 6: Final answer
    x = 69,046.09

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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.