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Finding the Fourth Proportional to 53,898.67, 80,469.00 and 41,181.85

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Solution

The fourth proportional to 53,898.67, 80,469.00 and 41,181.85 is: 61,483.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,898.67 : 80,469.00 = 41,181.85 : x
  2. Step 2: Convert to fraction form
    53,898.67/80,469.00 = 41,181.85/x
  3. Step 3: Cross multiply
    53,898.67x = 80,469.00 × 41,181.85
  4. Step 4: Simplify right side
    53,898.67x = 3,313,862,504.06
  5. Step 5: Solve for x
    x = 3,313,862,504.06/53,898.67
  6. Step 6: Final answer
    x = 61,483.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.