Home / 69,712.57-104,550.22-30,260.44

Finding the Fourth Proportional to 69,712.57, 104,550.22 and 30,260.44

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Solution

The fourth proportional to 69,712.57, 104,550.22 and 30,260.44 is: 45,382.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,712.57 : 104,550.22 = 30,260.44 : x
  2. Step 2: Convert to fraction form
    69,712.57/104,550.22 = 30,260.44/x
  3. Step 3: Cross multiply
    69,712.57x = 104,550.22 × 30,260.44
  4. Step 4: Simplify right side
    69,712.57x = 3,163,735,659.30
  5. Step 5: Solve for x
    x = 3,163,735,659.30/69,712.57
  6. Step 6: Final answer
    x = 45,382.57

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1.5x scale

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.