Home / 55,435.05-83,163.51-15,992.64

Finding the Fourth Proportional to 55,435.05, 83,163.51 and 15,992.64

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Solution

The fourth proportional to 55,435.05, 83,163.51 and 15,992.64 is: 23,992.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,435.05 : 83,163.51 = 15,992.64 : x
  2. Step 2: Convert to fraction form
    55,435.05/83,163.51 = 15,992.64/x
  3. Step 3: Cross multiply
    55,435.05x = 83,163.51 × 15,992.64
  4. Step 4: Simplify right side
    55,435.05x = 1,330,004,076.57
  5. Step 5: Solve for x
    x = 1,330,004,076.57/55,435.05
  6. Step 6: Final answer
    x = 23,992.11

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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.