Home / 69,942.90-104,945.36-36,655.05

Finding the Fourth Proportional to 69,942.90, 104,945.36 and 36,655.05

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Solution

The fourth proportional to 69,942.90, 104,945.36 and 36,655.05 is: 54,998.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,942.90 : 104,945.36 = 36,655.05 : x
  2. Step 2: Convert to fraction form
    69,942.90/104,945.36 = 36,655.05/x
  3. Step 3: Cross multiply
    69,942.90x = 104,945.36 × 36,655.05
  4. Step 4: Simplify right side
    69,942.90x = 3,846,777,234.79
  5. Step 5: Solve for x
    x = 3,846,777,234.79/69,942.90
  6. Step 6: Final answer
    x = 54,998.82

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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.