Home / 53,850.91-80,805.53-51,887.47

Finding the Fourth Proportional to 53,850.91, 80,805.53 and 51,887.47

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Solution

The fourth proportional to 53,850.91, 80,805.53 and 51,887.47 is: 77,859.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,850.91 : 80,805.53 = 51,887.47 : x
  2. Step 2: Convert to fraction form
    53,850.91/80,805.53 = 51,887.47/x
  3. Step 3: Cross multiply
    53,850.91x = 80,805.53 × 51,887.47
  4. Step 4: Simplify right side
    53,850.91x = 4,192,794,052.26
  5. Step 5: Solve for x
    x = 4,192,794,052.26/53,850.91
  6. Step 6: Final answer
    x = 77,859.30

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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.