Home / 84,906.12-127,382.22-25,743.72

Finding the Fourth Proportional to 84,906.12, 127,382.22 and 25,743.72

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Solution

The fourth proportional to 84,906.12, 127,382.22 and 25,743.72 is: 38,622.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,906.12 : 127,382.22 = 25,743.72 : x
  2. Step 2: Convert to fraction form
    84,906.12/127,382.22 = 25,743.72/x
  3. Step 3: Cross multiply
    84,906.12x = 127,382.22 × 25,743.72
  4. Step 4: Simplify right side
    84,906.12x = 3,279,292,204.66
  5. Step 5: Solve for x
    x = 3,279,292,204.66/84,906.12
  6. Step 6: Final answer
    x = 38,622.57

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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.