Home / 79,485.08-109,692.11-43,676.38

Finding the Fourth Proportional to 79,485.08, 109,692.11 and 43,676.38

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Solution

The fourth proportional to 79,485.08, 109,692.11 and 43,676.38 is: 60,274.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,485.08 : 109,692.11 = 43,676.38 : x
  2. Step 2: Convert to fraction form
    79,485.08/109,692.11 = 43,676.38/x
  3. Step 3: Cross multiply
    79,485.08x = 109,692.11 × 43,676.38
  4. Step 4: Simplify right side
    79,485.08x = 4,790,953,512.52
  5. Step 5: Solve for x
    x = 4,790,953,512.52/79,485.08
  6. Step 6: Final answer
    x = 60,274.88

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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.