Home / 69,984.10-104,976.15-43,351.30

Finding the Fourth Proportional to 69,984.10, 104,976.15 and 43,351.30

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Solution

The fourth proportional to 69,984.10, 104,976.15 and 43,351.30 is: 65,026.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984.10 : 104,976.15 = 43,351.30 : x
  2. Step 2: Convert to fraction form
    69,984.10/104,976.15 = 43,351.30/x
  3. Step 3: Cross multiply
    69,984.10x = 104,976.15 × 43,351.30
  4. Step 4: Simplify right side
    69,984.10x = 4,550,852,571.50
  5. Step 5: Solve for x
    x = 4,550,852,571.50/69,984.10
  6. Step 6: Final answer
    x = 65,026.95

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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.