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Finding the Fourth Proportional to 64,123.80, 96,181.14 and 19,745.93

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Solution

The fourth proportional to 64,123.80, 96,181.14 and 19,745.93 is: 29,617.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,123.80 : 96,181.14 = 19,745.93 : x
  2. Step 2: Convert to fraction form
    64,123.80/96,181.14 = 19,745.93/x
  3. Step 3: Cross multiply
    64,123.80x = 96,181.14 × 19,745.93
  4. Step 4: Simplify right side
    64,123.80x = 1,899,185,576.85
  5. Step 5: Solve for x
    x = 1,899,185,576.85/64,123.80
  6. Step 6: Final answer
    x = 29,617.48

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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.