Home / 81,887.03-122,829.17-36,883.35

Finding the Fourth Proportional to 81,887.03, 122,829.17 and 36,883.35

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Solution

The fourth proportional to 81,887.03, 122,829.17 and 36,883.35 is: 55,324.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,887.03 : 122,829.17 = 36,883.35 : x
  2. Step 2: Convert to fraction form
    81,887.03/122,829.17 = 36,883.35/x
  3. Step 3: Cross multiply
    81,887.03x = 122,829.17 × 36,883.35
  4. Step 4: Simplify right side
    81,887.03x = 4,530,351,082.90
  5. Step 5: Solve for x
    x = 4,530,351,082.90/81,887.03
  6. Step 6: Final answer
    x = 55,324.41

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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.