Home / 87,273.35-120,436.96-50,981.90

Finding the Fourth Proportional to 87,273.35, 120,436.96 and 50,981.90

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Solution

The fourth proportional to 87,273.35, 120,436.96 and 50,981.90 is: 70,354.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,273.35 : 120,436.96 = 50,981.90 : x
  2. Step 2: Convert to fraction form
    87,273.35/120,436.96 = 50,981.90/x
  3. Step 3: Cross multiply
    87,273.35x = 120,436.96 × 50,981.90
  4. Step 4: Simplify right side
    87,273.35x = 6,140,104,796.11
  5. Step 5: Solve for x
    x = 6,140,104,796.11/87,273.35
  6. Step 6: Final answer
    x = 70,354.87

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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.