Home / 76,449.06-114,604.47-27,189.54

Finding the Fourth Proportional to 76,449.06, 114,604.47 and 27,189.54

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Solution

The fourth proportional to 76,449.06, 114,604.47 and 27,189.54 is: 40,759.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,449.06 : 114,604.47 = 27,189.54 : x
  2. Step 2: Convert to fraction form
    76,449.06/114,604.47 = 27,189.54/x
  3. Step 3: Cross multiply
    76,449.06x = 114,604.47 × 27,189.54
  4. Step 4: Simplify right side
    76,449.06x = 3,116,042,821.24
  5. Step 5: Solve for x
    x = 3,116,042,821.24/76,449.06
  6. Step 6: Final answer
    x = 40,759.73

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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.