Home / 87,860.96-131,804.30-27,869.42

Finding the Fourth Proportional to 87,860.96, 131,804.30 and 27,869.42

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Solution

The fourth proportional to 87,860.96, 131,804.30 and 27,869.42 is: 41,808.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,860.96 : 131,804.30 = 27,869.42 : x
  2. Step 2: Convert to fraction form
    87,860.96/131,804.30 = 27,869.42/x
  3. Step 3: Cross multiply
    87,860.96x = 131,804.30 × 27,869.42
  4. Step 4: Simplify right side
    87,860.96x = 3,673,309,394.51
  5. Step 5: Solve for x
    x = 3,673,309,394.51/87,860.96
  6. Step 6: Final answer
    x = 41,808.21

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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.