Home / 64,125.30-96,183.39-19,747.43

Finding the Fourth Proportional to 64,125.30, 96,183.39 and 19,747.43

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Solution

The fourth proportional to 64,125.30, 96,183.39 and 19,747.43 is: 29,619.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,125.30 : 96,183.39 = 19,747.43 : x
  2. Step 2: Convert to fraction form
    64,125.30/96,183.39 = 19,747.43/x
  3. Step 3: Cross multiply
    64,125.30x = 96,183.39 × 19,747.43
  4. Step 4: Simplify right side
    64,125.30x = 1,899,374,761.19
  5. Step 5: Solve for x
    x = 1,899,374,761.19/64,125.30
  6. Step 6: Final answer
    x = 29,619.74

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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.