Home / 63,691.29-95,537.17-19,318.43

Finding the Fourth Proportional to 63,691.29, 95,537.17 and 19,318.43

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Solution

The fourth proportional to 63,691.29, 95,537.17 and 19,318.43 is: 28,977.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,691.29 : 95,537.17 = 19,318.43 : x
  2. Step 2: Convert to fraction form
    63,691.29/95,537.17 = 19,318.43/x
  3. Step 3: Cross multiply
    63,691.29x = 95,537.17 × 19,318.43
  4. Step 4: Simplify right side
    63,691.29x = 1,845,628,131.04
  5. Step 5: Solve for x
    x = 1,845,628,131.04/63,691.29
  6. Step 6: Final answer
    x = 28,977.72

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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.