Home / 87,536.56-131,276.76-28,357.96

Finding the Fourth Proportional to 87,536.56, 131,276.76 and 28,357.96

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Solution

The fourth proportional to 87,536.56, 131,276.76 and 28,357.96 is: 42,527.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,536.56 : 131,276.76 = 28,357.96 : x
  2. Step 2: Convert to fraction form
    87,536.56/131,276.76 = 28,357.96/x
  3. Step 3: Cross multiply
    87,536.56x = 131,276.76 × 28,357.96
  4. Step 4: Simplify right side
    87,536.56x = 3,722,741,109.01
  5. Step 5: Solve for x
    x = 3,722,741,109.01/87,536.56
  6. Step 6: Final answer
    x = 42,527.84

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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.