Home / 87,835.19-131,777.28-28,674.41

Finding the Fourth Proportional to 87,835.19, 131,777.28 and 28,674.41

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Solution

The fourth proportional to 87,835.19, 131,777.28 and 28,674.41 is: 43,019.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,835.19 : 131,777.28 = 28,674.41 : x
  2. Step 2: Convert to fraction form
    87,835.19/131,777.28 = 28,674.41/x
  3. Step 3: Cross multiply
    87,835.19x = 131,777.28 × 28,674.41
  4. Step 4: Simplify right side
    87,835.19x = 3,778,635,096.52
  5. Step 5: Solve for x
    x = 3,778,635,096.52/87,835.19
  6. Step 6: Final answer
    x = 43,019.61

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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.