Home / 50,695.20-69,976.80-29,481.12

Finding the Fourth Proportional to 50,695.20, 69,976.80 and 29,481.12

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Solution

The fourth proportional to 50,695.20, 69,976.80 and 29,481.12 is: 40,694.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,695.20 : 69,976.80 = 29,481.12 : x
  2. Step 2: Convert to fraction form
    50,695.20/69,976.80 = 29,481.12/x
  3. Step 3: Cross multiply
    50,695.20x = 69,976.80 × 29,481.12
  4. Step 4: Simplify right side
    50,695.20x = 2,062,994,438.02
  5. Step 5: Solve for x
    x = 2,062,994,438.02/50,695.20
  6. Step 6: Final answer
    x = 40,694.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.