Home / 87,903.62-131,942.06-62,631.21

Finding the Fourth Proportional to 87,903.62, 131,942.06 and 62,631.21

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Solution

The fourth proportional to 87,903.62, 131,942.06 and 62,631.21 is: 94,008.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,903.62 : 131,942.06 = 62,631.21 : x
  2. Step 2: Convert to fraction form
    87,903.62/131,942.06 = 62,631.21/x
  3. Step 3: Cross multiply
    87,903.62x = 131,942.06 × 62,631.21
  4. Step 4: Simplify right side
    87,903.62x = 8,263,690,207.98
  5. Step 5: Solve for x
    x = 8,263,690,207.98/87,903.62
  6. Step 6: Final answer
    x = 94,008.53

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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.