Home / 53,309.10-79,912.45-41,456.30

Finding the Fourth Proportional to 53,309.10, 79,912.45 and 41,456.30

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Solution

The fourth proportional to 53,309.10, 79,912.45 and 41,456.30 is: 62,144.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,309.10 : 79,912.45 = 41,456.30 : x
  2. Step 2: Convert to fraction form
    53,309.10/79,912.45 = 41,456.30/x
  3. Step 3: Cross multiply
    53,309.10x = 79,912.45 × 41,456.30
  4. Step 4: Simplify right side
    53,309.10x = 3,312,874,500.94
  5. Step 5: Solve for x
    x = 3,312,874,500.94/53,309.10
  6. Step 6: Final answer
    x = 62,144.63

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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.