Home / 74,456.96-102,649.98-50,542.12

Finding the Fourth Proportional to 74,456.96, 102,649.98 and 50,542.12

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Solution

The fourth proportional to 74,456.96, 102,649.98 and 50,542.12 is: 69,679.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,456.96 : 102,649.98 = 50,542.12 : x
  2. Step 2: Convert to fraction form
    74,456.96/102,649.98 = 50,542.12/x
  3. Step 3: Cross multiply
    74,456.96x = 102,649.98 × 50,542.12
  4. Step 4: Simplify right side
    74,456.96x = 5,188,147,350.53
  5. Step 5: Solve for x
    x = 5,188,147,350.53/74,456.96
  6. Step 6: Final answer
    x = 69,679.81

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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.