Home / 53,828.62-80,656.82-45,906.22

Finding the Fourth Proportional to 53,828.62, 80,656.82 and 45,906.22

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Solution

The fourth proportional to 53,828.62, 80,656.82 and 45,906.22 is: 68,785.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,828.62 : 80,656.82 = 45,906.22 : x
  2. Step 2: Convert to fraction form
    53,828.62/80,656.82 = 45,906.22/x
  3. Step 3: Cross multiply
    53,828.62x = 80,656.82 × 45,906.22
  4. Step 4: Simplify right side
    53,828.62x = 3,702,649,723.42
  5. Step 5: Solve for x
    x = 3,702,649,723.42/53,828.62
  6. Step 6: Final answer
    x = 68,785.89

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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.