Home / 84,786.05-127,197.30-25,627.70

Finding the Fourth Proportional to 84,786.05, 127,197.30 and 25,627.70

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Solution

The fourth proportional to 84,786.05, 127,197.30 and 25,627.70 is: 38,447.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,786.05 : 127,197.30 = 25,627.70 : x
  2. Step 2: Convert to fraction form
    84,786.05/127,197.30 = 25,627.70/x
  3. Step 3: Cross multiply
    84,786.05x = 127,197.30 × 25,627.70
  4. Step 4: Simplify right side
    84,786.05x = 3,259,774,245.21
  5. Step 5: Solve for x
    x = 3,259,774,245.21/84,786.05
  6. Step 6: Final answer
    x = 38,447.06

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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.