Home / 124,105.96-171,265.44-67,517.56

Finding the Fourth Proportional to 124,105.96, 171,265.44 and 67,517.56

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Solution

The fourth proportional to 124,105.96, 171,265.44 and 67,517.56 is: 93,173.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,105.96 : 171,265.44 = 67,517.56 : x
  2. Step 2: Convert to fraction form
    124,105.96/171,265.44 = 67,517.56/x
  3. Step 3: Cross multiply
    124,105.96x = 171,265.44 × 67,517.56
  4. Step 4: Simplify right side
    124,105.96x = 11,563,424,621.13
  5. Step 5: Solve for x
    x = 11,563,424,621.13/124,105.96
  6. Step 6: Final answer
    x = 93,173.81

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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.