Home / 51,183.75-76,765.05-13,734.93

Finding the Fourth Proportional to 51,183.75, 76,765.05 and 13,734.93

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Solution

The fourth proportional to 51,183.75, 76,765.05 and 13,734.93 is: 20,599.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,183.75 : 76,765.05 = 13,734.93 : x
  2. Step 2: Convert to fraction form
    51,183.75/76,765.05 = 13,734.93/x
  3. Step 3: Cross multiply
    51,183.75x = 76,765.05 × 13,734.93
  4. Step 4: Simplify right side
    51,183.75x = 1,054,362,588.20
  5. Step 5: Solve for x
    x = 1,054,362,588.20/51,183.75
  6. Step 6: Final answer
    x = 20,599.56

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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.