Home / 61,190.10-91,768.45-16,806.31

Finding the Fourth Proportional to 61,190.10, 91,768.45 and 16,806.31

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Solution

The fourth proportional to 61,190.10, 91,768.45 and 16,806.31 is: 25,204.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,190.10 : 91,768.45 = 16,806.31 : x
  2. Step 2: Convert to fraction form
    61,190.10/91,768.45 = 16,806.31/x
  3. Step 3: Cross multiply
    61,190.10x = 91,768.45 × 16,806.31
  4. Step 4: Simplify right side
    61,190.10x = 1,542,288,747.48
  5. Step 5: Solve for x
    x = 1,542,288,747.48/61,190.10
  6. Step 6: Final answer
    x = 25,204.87

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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.