Home / 87,699.53-131,568.75-40,926.89

Finding the Fourth Proportional to 87,699.53, 131,568.75 and 40,926.89

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Solution

The fourth proportional to 87,699.53, 131,568.75 and 40,926.89 is: 61,399.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,699.53 : 131,568.75 = 40,926.89 : x
  2. Step 2: Convert to fraction form
    87,699.53/131,568.75 = 40,926.89/x
  3. Step 3: Cross multiply
    87,699.53x = 131,568.75 × 40,926.89
  4. Step 4: Simplify right side
    87,699.53x = 5,384,699,100.84
  5. Step 5: Solve for x
    x = 5,384,699,100.84/87,699.53
  6. Step 6: Final answer
    x = 61,399.41

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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.