Home / 69,945.57-104,949.34-36,657.72

Finding the Fourth Proportional to 69,945.57, 104,949.34 and 36,657.72

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Solution

The fourth proportional to 69,945.57, 104,949.34 and 36,657.72 is: 55,002.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,945.57 : 104,949.34 = 36,657.72 : x
  2. Step 2: Convert to fraction form
    69,945.57/104,949.34 = 36,657.72/x
  3. Step 3: Cross multiply
    69,945.57x = 104,949.34 × 36,657.72
  4. Step 4: Simplify right side
    69,945.57x = 3,847,203,428.26
  5. Step 5: Solve for x
    x = 3,847,203,428.26/69,945.57
  6. Step 6: Final answer
    x = 55,002.82

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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.