Home / 106,372.53-159,558.30-31,493.12

Finding the Fourth Proportional to 106,372.53, 159,558.30 and 31,493.12

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Solution

The fourth proportional to 106,372.53, 159,558.30 and 31,493.12 is: 47,239.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,372.53 : 159,558.30 = 31,493.12 : x
  2. Step 2: Convert to fraction form
    106,372.53/159,558.30 = 31,493.12/x
  3. Step 3: Cross multiply
    106,372.53x = 159,558.30 × 31,493.12
  4. Step 4: Simplify right side
    106,372.53x = 5,024,987,891.10
  5. Step 5: Solve for x
    x = 5,024,987,891.10/106,372.53
  6. Step 6: Final answer
    x = 47,239.53

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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.