Home / 87,810.81-131,745.78-27,849.09

Finding the Fourth Proportional to 87,810.81, 131,745.78 and 27,849.09

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Solution

The fourth proportional to 87,810.81, 131,745.78 and 27,849.09 is: 41,783.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,810.81 : 131,745.78 = 27,849.09 : x
  2. Step 2: Convert to fraction form
    87,810.81/131,745.78 = 27,849.09/x
  3. Step 3: Cross multiply
    87,810.81x = 131,745.78 × 27,849.09
  4. Step 4: Simplify right side
    87,810.81x = 3,669,000,084.34
  5. Step 5: Solve for x
    x = 3,669,000,084.34/87,810.81
  6. Step 6: Final answer
    x = 41,783.01

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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.