Home / 87,996.21-121,380.96-52,162.23

Finding the Fourth Proportional to 87,996.21, 121,380.96 and 52,162.23

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Solution

The fourth proportional to 87,996.21, 121,380.96 and 52,162.23 is: 71,951.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,996.21 : 121,380.96 = 52,162.23 : x
  2. Step 2: Convert to fraction form
    87,996.21/121,380.96 = 52,162.23/x
  3. Step 3: Cross multiply
    87,996.21x = 121,380.96 × 52,162.23
  4. Step 4: Simplify right side
    87,996.21x = 6,331,501,553.14
  5. Step 5: Solve for x
    x = 6,331,501,553.14/87,996.21
  6. Step 6: Final answer
    x = 71,951.98

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1.5x scale

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.