Home / 87,849.78-121,233.96-50,124.03

Finding the Fourth Proportional to 87,849.78, 121,233.96 and 50,124.03

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Solution

The fourth proportional to 87,849.78, 121,233.96 and 50,124.03 is: 69,171.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,849.78 : 121,233.96 = 50,124.03 : x
  2. Step 2: Convert to fraction form
    87,849.78/121,233.96 = 50,124.03/x
  3. Step 3: Cross multiply
    87,849.78x = 121,233.96 × 50,124.03
  4. Step 4: Simplify right side
    87,849.78x = 6,076,734,648.06
  5. Step 5: Solve for x
    x = 6,076,734,648.06/87,849.78
  6. Step 6: Final answer
    x = 69,171.88

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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.