Home / 107,568.39-161,230.80-54,175.50

Finding the Fourth Proportional to 107,568.39, 161,230.80 and 54,175.50

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Solution

The fourth proportional to 107,568.39, 161,230.80 and 54,175.50 is: 81,201.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,568.39 : 161,230.80 = 54,175.50 : x
  2. Step 2: Convert to fraction form
    107,568.39/161,230.80 = 54,175.50/x
  3. Step 3: Cross multiply
    107,568.39x = 161,230.80 × 54,175.50
  4. Step 4: Simplify right side
    107,568.39x = 8,734,759,205.40
  5. Step 5: Solve for x
    x = 8,734,759,205.40/107,568.39
  6. Step 6: Final answer
    x = 81,201.91

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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.