Home / 64,107.12-96,171.66-19,732.98

Finding the Fourth Proportional to 64,107.12, 96,171.66 and 19,732.98

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Solution

The fourth proportional to 64,107.12, 96,171.66 and 19,732.98 is: 29,602.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,107.12 : 96,171.66 = 19,732.98 : x
  2. Step 2: Convert to fraction form
    64,107.12/96,171.66 = 19,732.98/x
  3. Step 3: Cross multiply
    64,107.12x = 96,171.66 × 19,732.98
  4. Step 4: Simplify right side
    64,107.12x = 1,897,753,443.35
  5. Step 5: Solve for x
    x = 1,897,753,443.35/64,107.12
  6. Step 6: Final answer
    x = 29,602.85

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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.