Home / 84,954.27-127,351.80-28,755.06

Finding the Fourth Proportional to 84,954.27, 127,351.80 and 28,755.06

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Solution

The fourth proportional to 84,954.27, 127,351.80 and 28,755.06 is: 43,105.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,954.27 : 127,351.80 = 28,755.06 : x
  2. Step 2: Convert to fraction form
    84,954.27/127,351.80 = 28,755.06/x
  3. Step 3: Cross multiply
    84,954.27x = 127,351.80 × 28,755.06
  4. Step 4: Simplify right side
    84,954.27x = 3,662,008,650.11
  5. Step 5: Solve for x
    x = 3,662,008,650.11/84,954.27
  6. Step 6: Final answer
    x = 43,105.65

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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.