Home / 79,487.37-109,692.09-43,676.55

Finding the Fourth Proportional to 79,487.37, 109,692.09 and 43,676.55

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Solution

The fourth proportional to 79,487.37, 109,692.09 and 43,676.55 is: 60,273.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,487.37 : 109,692.09 = 43,676.55 : x
  2. Step 2: Convert to fraction form
    79,487.37/109,692.09 = 43,676.55/x
  3. Step 3: Cross multiply
    79,487.37x = 109,692.09 × 43,676.55
  4. Step 4: Simplify right side
    79,487.37x = 4,790,972,053.49
  5. Step 5: Solve for x
    x = 4,790,972,053.49/79,487.37
  6. Step 6: Final answer
    x = 60,273.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.