Home / 81,916.01-122,874.06-22,751.69

Finding the Fourth Proportional to 81,916.01, 122,874.06 and 22,751.69

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Solution

The fourth proportional to 81,916.01, 122,874.06 and 22,751.69 is: 34,127.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,916.01 : 122,874.06 = 22,751.69 : x
  2. Step 2: Convert to fraction form
    81,916.01/122,874.06 = 22,751.69/x
  3. Step 3: Cross multiply
    81,916.01x = 122,874.06 × 22,751.69
  4. Step 4: Simplify right side
    81,916.01x = 2,795,591,993.11
  5. Step 5: Solve for x
    x = 2,795,591,993.11/81,916.01
  6. Step 6: Final answer
    x = 34,127.54

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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.