Home / 69,274.18-103,896.18-18,672.02

Finding the Fourth Proportional to 69,274.18, 103,896.18 and 18,672.02

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Solution

The fourth proportional to 69,274.18, 103,896.18 and 18,672.02 is: 28,003.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,274.18 : 103,896.18 = 18,672.02 : x
  2. Step 2: Convert to fraction form
    69,274.18/103,896.18 = 18,672.02/x
  3. Step 3: Cross multiply
    69,274.18x = 103,896.18 × 18,672.02
  4. Step 4: Simplify right side
    69,274.18x = 1,939,951,550.88
  5. Step 5: Solve for x
    x = 1,939,951,550.88/69,274.18
  6. Step 6: Final answer
    x = 28,003.96

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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.