Home / 87,863.50-121,273.50-50,159.62

Finding the Fourth Proportional to 87,863.50, 121,273.50 and 50,159.62

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Solution

The fourth proportional to 87,863.50, 121,273.50 and 50,159.62 is: 69,232.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,863.50 : 121,273.50 = 50,159.62 : x
  2. Step 2: Convert to fraction form
    87,863.50/121,273.50 = 50,159.62/x
  3. Step 3: Cross multiply
    87,863.50x = 121,273.50 × 50,159.62
  4. Step 4: Simplify right side
    87,863.50x = 6,083,032,676.07
  5. Step 5: Solve for x
    x = 6,083,032,676.07/87,863.50
  6. Step 6: Final answer
    x = 69,232.76

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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.