Home / 57,043.12-78,732-33,183.52

Finding the Fourth Proportional to 57,043.12, 78,732 and 33,183.52

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Solution

The fourth proportional to 57,043.12, 78,732 and 33,183.52 is: 45,800.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,043.12 : 78,732 = 33,183.52 : x
  2. Step 2: Convert to fraction form
    57,043.12/78,732 = 33,183.52/x
  3. Step 3: Cross multiply
    57,043.12x = 78,732 × 33,183.52
  4. Step 4: Simplify right side
    57,043.12x = 2,612,604,896.64
  5. Step 5: Solve for x
    x = 2,612,604,896.64/57,043.12
  6. Step 6: Final answer
    x = 45,800.53

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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.