Home / 53,782.37-80,662.92-51,115.24

Finding the Fourth Proportional to 53,782.37, 80,662.92 and 51,115.24

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Solution

The fourth proportional to 53,782.37, 80,662.92 and 51,115.24 is: 76,662.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,782.37 : 80,662.92 = 51,115.24 : x
  2. Step 2: Convert to fraction form
    53,782.37/80,662.92 = 51,115.24/x
  3. Step 3: Cross multiply
    53,782.37x = 80,662.92 × 51,115.24
  4. Step 4: Simplify right side
    53,782.37x = 4,123,104,514.90
  5. Step 5: Solve for x
    x = 4,123,104,514.90/53,782.37
  6. Step 6: Final answer
    x = 76,662.75

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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.