Home / 49,172.22-67,857-27,660.35

Finding the Fourth Proportional to 49,172.22, 67,857 and 27,660.35

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Solution

The fourth proportional to 49,172.22, 67,857 and 27,660.35 is: 38,170.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,172.22 : 67,857 = 27,660.35 : x
  2. Step 2: Convert to fraction form
    49,172.22/67,857 = 27,660.35/x
  3. Step 3: Cross multiply
    49,172.22x = 67,857 × 27,660.35
  4. Step 4: Simplify right side
    49,172.22x = 1,876,948,030.67
  5. Step 5: Solve for x
    x = 1,876,948,030.67/49,172.22
  6. Step 6: Final answer
    x = 38,170.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.