Home / 87,958.71-131,938.01-35,355.89

Finding the Fourth Proportional to 87,958.71, 131,938.01 and 35,355.89

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Solution

The fourth proportional to 87,958.71, 131,938.01 and 35,355.89 is: 53,033.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,958.71 : 131,938.01 = 35,355.89 : x
  2. Step 2: Convert to fraction form
    87,958.71/131,938.01 = 35,355.89/x
  3. Step 3: Cross multiply
    87,958.71x = 131,938.01 × 35,355.89
  4. Step 4: Simplify right side
    87,958.71x = 4,664,786,252.91
  5. Step 5: Solve for x
    x = 4,664,786,252.91/87,958.71
  6. Step 6: Final answer
    x = 53,033.82

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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.