Home / 107,845.20-161,772.60-41,317.20

Finding the Fourth Proportional to 107,845.20, 161,772.60 and 41,317.20

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Solution

The fourth proportional to 107,845.20, 161,772.60 and 41,317.20 is: 61,977.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,845.20 : 161,772.60 = 41,317.20 : x
  2. Step 2: Convert to fraction form
    107,845.20/161,772.60 = 41,317.20/x
  3. Step 3: Cross multiply
    107,845.20x = 161,772.60 × 41,317.20
  4. Step 4: Simplify right side
    107,845.20x = 6,683,990,868.72
  5. Step 5: Solve for x
    x = 6,683,990,868.72/107,845.20
  6. Step 6: Final answer
    x = 61,977.64

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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.