Home / 87,474.96-131,211.36-28,309.32

Finding the Fourth Proportional to 87,474.96, 131,211.36 and 28,309.32

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Solution

The fourth proportional to 87,474.96, 131,211.36 and 28,309.32 is: 42,463.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,474.96 : 131,211.36 = 28,309.32 : x
  2. Step 2: Convert to fraction form
    87,474.96/131,211.36 = 28,309.32/x
  3. Step 3: Cross multiply
    87,474.96x = 131,211.36 × 28,309.32
  4. Step 4: Simplify right side
    87,474.96x = 3,714,504,377.88
  5. Step 5: Solve for x
    x = 3,714,504,377.88/87,474.96
  6. Step 6: Final answer
    x = 42,463.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.