Home / 87,917.82-121,325.94-50,191.98

Finding the Fourth Proportional to 87,917.82, 121,325.94 and 50,191.98

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Solution

The fourth proportional to 87,917.82, 121,325.94 and 50,191.98 is: 69,264.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,917.82 : 121,325.94 = 50,191.98 : x
  2. Step 2: Convert to fraction form
    87,917.82/121,325.94 = 50,191.98/x
  3. Step 3: Cross multiply
    87,917.82x = 121,325.94 × 50,191.98
  4. Step 4: Simplify right side
    87,917.82x = 6,089,589,153.96
  5. Step 5: Solve for x
    x = 6,089,589,153.96/87,917.82
  6. Step 6: Final answer
    x = 69,264.56

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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.