Home / 74,686.30-102,997.82-54,511.22

Finding the Fourth Proportional to 74,686.30, 102,997.82 and 54,511.22

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Solution

The fourth proportional to 74,686.30, 102,997.82 and 54,511.22 is: 75,174.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,686.30 : 102,997.82 = 54,511.22 : x
  2. Step 2: Convert to fraction form
    74,686.30/102,997.82 = 54,511.22/x
  3. Step 3: Cross multiply
    74,686.30x = 102,997.82 × 54,511.22
  4. Step 4: Simplify right side
    74,686.30x = 5,614,536,825.54
  5. Step 5: Solve for x
    x = 5,614,536,825.54/74,686.30
  6. Step 6: Final answer
    x = 75,174.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.