Home / 42,325.60-63,481.92-11,163.28

Finding the Fourth Proportional to 42,325.60, 63,481.92 and 11,163.28

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Solution

The fourth proportional to 42,325.60, 63,481.92 and 11,163.28 is: 16,743.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,325.60 : 63,481.92 = 11,163.28 : x
  2. Step 2: Convert to fraction form
    42,325.60/63,481.92 = 11,163.28/x
  3. Step 3: Cross multiply
    42,325.60x = 63,481.92 × 11,163.28
  4. Step 4: Simplify right side
    42,325.60x = 708,666,447.90
  5. Step 5: Solve for x
    x = 708,666,447.90/42,325.60
  6. Step 6: Final answer
    x = 16,743.21

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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.