Home / 87,401.20-131,106.68-25,070

Finding the Fourth Proportional to 87,401.20, 131,106.68 and 25,070

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Solution

The fourth proportional to 87,401.20, 131,106.68 and 25,070 is: 37,606.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,401.20 : 131,106.68 = 25,070 : x
  2. Step 2: Convert to fraction form
    87,401.20/131,106.68 = 25,070/x
  3. Step 3: Cross multiply
    87,401.20x = 131,106.68 × 25,070
  4. Step 4: Simplify right side
    87,401.20x = 3,286,844,467.60
  5. Step 5: Solve for x
    x = 3,286,844,467.60/87,401.20
  6. Step 6: Final answer
    x = 37,606.40

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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.