Home / 82,171.68-123,157.92-37,736.64

Finding the Fourth Proportional to 82,171.68, 123,157.92 and 37,736.64

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Solution

The fourth proportional to 82,171.68, 123,157.92 and 37,736.64 is: 56,559.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,171.68 : 123,157.92 = 37,736.64 : x
  2. Step 2: Convert to fraction form
    82,171.68/123,157.92 = 37,736.64/x
  3. Step 3: Cross multiply
    82,171.68x = 123,157.92 × 37,736.64
  4. Step 4: Simplify right side
    82,171.68x = 4,647,566,090.19
  5. Step 5: Solve for x
    x = 4,647,566,090.19/82,171.68
  6. Step 6: Final answer
    x = 56,559.22

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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.