Home / 73,229.34-109,767.91-31,136.43

Finding the Fourth Proportional to 73,229.34, 109,767.91 and 31,136.43

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Solution

The fourth proportional to 73,229.34, 109,767.91 and 31,136.43 is: 46,672.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,229.34 : 109,767.91 = 31,136.43 : x
  2. Step 2: Convert to fraction form
    73,229.34/109,767.91 = 31,136.43/x
  3. Step 3: Cross multiply
    73,229.34x = 109,767.91 × 31,136.43
  4. Step 4: Simplify right side
    73,229.34x = 3,417,780,845.96
  5. Step 5: Solve for x
    x = 3,417,780,845.96/73,229.34
  6. Step 6: Final answer
    x = 46,672.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.