Home / 85,072.43-127,627.10-25,906.55

Finding the Fourth Proportional to 85,072.43, 127,627.10 and 25,906.55

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Solution

The fourth proportional to 85,072.43, 127,627.10 and 25,906.55 is: 38,865.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,072.43 : 127,627.10 = 25,906.55 : x
  2. Step 2: Convert to fraction form
    85,072.43/127,627.10 = 25,906.55/x
  3. Step 3: Cross multiply
    85,072.43x = 127,627.10 × 25,906.55
  4. Step 4: Simplify right side
    85,072.43x = 3,306,377,717.97
  5. Step 5: Solve for x
    x = 3,306,377,717.97/85,072.43
  6. Step 6: Final answer
    x = 38,865.44

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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.