Home / 87,869.12-131,823.04-25,544.48

Finding the Fourth Proportional to 87,869.12, 131,823.04 and 25,544.48

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Solution

The fourth proportional to 87,869.12, 131,823.04 and 25,544.48 is: 38,322.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,869.12 : 131,823.04 = 25,544.48 : x
  2. Step 2: Convert to fraction form
    87,869.12/131,823.04 = 25,544.48/x
  3. Step 3: Cross multiply
    87,869.12x = 131,823.04 × 25,544.48
  4. Step 4: Simplify right side
    87,869.12x = 3,367,351,008.82
  5. Step 5: Solve for x
    x = 3,367,351,008.82/87,869.12
  6. Step 6: Final answer
    x = 38,322.35

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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.