Home / 107,731.08-161,605.26-28,844.64

Finding the Fourth Proportional to 107,731.08, 161,605.26 and 28,844.64

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Solution

The fourth proportional to 107,731.08, 161,605.26 and 28,844.64 is: 43,269.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,731.08 : 161,605.26 = 28,844.64 : x
  2. Step 2: Convert to fraction form
    107,731.08/161,605.26 = 28,844.64/x
  3. Step 3: Cross multiply
    107,731.08x = 161,605.26 × 28,844.64
  4. Step 4: Simplify right side
    107,731.08x = 4,661,445,546.81
  5. Step 5: Solve for x
    x = 4,661,445,546.81/107,731.08
  6. Step 6: Final answer
    x = 43,269.27

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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.