Home / 87,933.42-131,900.19-21,373.11

Finding the Fourth Proportional to 87,933.42, 131,900.19 and 21,373.11

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Solution

The fourth proportional to 87,933.42, 131,900.19 and 21,373.11 is: 32,059.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,933.42 : 131,900.19 = 21,373.11 : x
  2. Step 2: Convert to fraction form
    87,933.42/131,900.19 = 21,373.11/x
  3. Step 3: Cross multiply
    87,933.42x = 131,900.19 × 21,373.11
  4. Step 4: Simplify right side
    87,933.42x = 2,819,117,269.89
  5. Step 5: Solve for x
    x = 2,819,117,269.89/87,933.42
  6. Step 6: Final answer
    x = 32,059.68

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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.