Home / 87,181.29-120,322.44-50,894.64

Finding the Fourth Proportional to 87,181.29, 120,322.44 and 50,894.64

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Solution

The fourth proportional to 87,181.29, 120,322.44 and 50,894.64 is: 70,241.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,181.29 : 120,322.44 = 50,894.64 : x
  2. Step 2: Convert to fraction form
    87,181.29/120,322.44 = 50,894.64/x
  3. Step 3: Cross multiply
    87,181.29x = 120,322.44 × 50,894.64
  4. Step 4: Simplify right side
    87,181.29x = 6,123,767,267.72
  5. Step 5: Solve for x
    x = 6,123,767,267.72/87,181.29
  6. Step 6: Final answer
    x = 70,241.76

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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.