Home / 87,445.44-131,111.64-47,991.96

Finding the Fourth Proportional to 87,445.44, 131,111.64 and 47,991.96

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Solution

The fourth proportional to 87,445.44, 131,111.64 and 47,991.96 is: 71,956.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,445.44 : 131,111.64 = 47,991.96 : x
  2. Step 2: Convert to fraction form
    87,445.44/131,111.64 = 47,991.96/x
  3. Step 3: Cross multiply
    87,445.44x = 131,111.64 × 47,991.96
  4. Step 4: Simplify right side
    87,445.44x = 6,292,304,582.41
  5. Step 5: Solve for x
    x = 6,292,304,582.41/87,445.44
  6. Step 6: Final answer
    x = 71,956.92

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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.