Home / 64,091.42-96,137.36-19,717.86

Finding the Fourth Proportional to 64,091.42, 96,137.36 and 19,717.86

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Solution

The fourth proportional to 64,091.42, 96,137.36 and 19,717.86 is: 29,576.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,091.42 : 96,137.36 = 19,717.86 : x
  2. Step 2: Convert to fraction form
    64,091.42/96,137.36 = 19,717.86/x
  3. Step 3: Cross multiply
    64,091.42x = 96,137.36 × 19,717.86
  4. Step 4: Simplify right side
    64,091.42x = 1,895,622,906.66
  5. Step 5: Solve for x
    x = 1,895,622,906.66/64,091.42
  6. Step 6: Final answer
    x = 29,576.86

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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.