Home / 79,631.08-109,893.22-43,822.12

Finding the Fourth Proportional to 79,631.08, 109,893.22 and 43,822.12

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Solution

The fourth proportional to 79,631.08, 109,893.22 and 43,822.12 is: 60,475.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,631.08 : 109,893.22 = 43,822.12 : x
  2. Step 2: Convert to fraction form
    79,631.08/109,893.22 = 43,822.12/x
  3. Step 3: Cross multiply
    79,631.08x = 109,893.22 × 43,822.12
  4. Step 4: Simplify right side
    79,631.08x = 4,815,753,874.03
  5. Step 5: Solve for x
    x = 4,815,753,874.03/79,631.08
  6. Step 6: Final answer
    x = 60,475.81

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1.5x scale

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.