Home / 55,832.08-83,760.36-18,390.64

Finding the Fourth Proportional to 55,832.08, 83,760.36 and 18,390.64

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Solution

The fourth proportional to 55,832.08, 83,760.36 and 18,390.64 is: 27,589.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,832.08 : 83,760.36 = 18,390.64 : x
  2. Step 2: Convert to fraction form
    55,832.08/83,760.36 = 18,390.64/x
  3. Step 3: Cross multiply
    55,832.08x = 83,760.36 × 18,390.64
  4. Step 4: Simplify right side
    55,832.08x = 1,540,406,627.03
  5. Step 5: Solve for x
    x = 1,540,406,627.03/55,832.08
  6. Step 6: Final answer
    x = 27,589.99

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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.