Home / 49,475.08-68,229.30-31,581.64

Finding the Fourth Proportional to 49,475.08, 68,229.30 and 31,581.64

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Solution

The fourth proportional to 49,475.08, 68,229.30 and 31,581.64 is: 43,553.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,475.08 : 68,229.30 = 31,581.64 : x
  2. Step 2: Convert to fraction form
    49,475.08/68,229.30 = 31,581.64/x
  3. Step 3: Cross multiply
    49,475.08x = 68,229.30 × 31,581.64
  4. Step 4: Simplify right side
    49,475.08x = 2,154,793,190.05
  5. Step 5: Solve for x
    x = 2,154,793,190.05/49,475.08
  6. Step 6: Final answer
    x = 43,553.10

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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.