Home / 49,540.42-68,331.92-31,627.35

Finding the Fourth Proportional to 49,540.42, 68,331.92 and 31,627.35

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Solution

The fourth proportional to 49,540.42, 68,331.92 and 31,627.35 is: 43,624.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,540.42 : 68,331.92 = 31,627.35 : x
  2. Step 2: Convert to fraction form
    49,540.42/68,331.92 = 31,627.35/x
  3. Step 3: Cross multiply
    49,540.42x = 68,331.92 × 31,627.35
  4. Step 4: Simplify right side
    49,540.42x = 2,161,157,606.50
  5. Step 5: Solve for x
    x = 2,161,157,606.50/49,540.42
  6. Step 6: Final answer
    x = 43,624.13

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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.