Home / 81,344.22-122,014.89-25,940.22

Finding the Fourth Proportional to 81,344.22, 122,014.89 and 25,940.22

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Solution

The fourth proportional to 81,344.22, 122,014.89 and 25,940.22 is: 38,909.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,344.22 : 122,014.89 = 25,940.22 : x
  2. Step 2: Convert to fraction form
    81,344.22/122,014.89 = 25,940.22/x
  3. Step 3: Cross multiply
    81,344.22x = 122,014.89 × 25,940.22
  4. Step 4: Simplify right side
    81,344.22x = 3,165,093,089.88
  5. Step 5: Solve for x
    x = 3,165,093,089.88/81,344.22
  6. Step 6: Final answer
    x = 38,909.87

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1.5x scale

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.