Home / 87,741.88-131,612.82-25,412.38

Finding the Fourth Proportional to 87,741.88, 131,612.82 and 25,412.38

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Solution

The fourth proportional to 87,741.88, 131,612.82 and 25,412.38 is: 38,118.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,741.88 : 131,612.82 = 25,412.38 : x
  2. Step 2: Convert to fraction form
    87,741.88/131,612.82 = 25,412.38/x
  3. Step 3: Cross multiply
    87,741.88x = 131,612.82 × 25,412.38
  4. Step 4: Simplify right side
    87,741.88x = 3,344,594,994.71
  5. Step 5: Solve for x
    x = 3,344,594,994.71/87,741.88
  6. Step 6: Final answer
    x = 38,118.57

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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.