Home / 53,625.76-80,438.66-18,546.28

Finding the Fourth Proportional to 53,625.76, 80,438.66 and 18,546.28

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Solution

The fourth proportional to 53,625.76, 80,438.66 and 18,546.28 is: 27,819.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,625.76 : 80,438.66 = 18,546.28 : x
  2. Step 2: Convert to fraction form
    53,625.76/80,438.66 = 18,546.28/x
  3. Step 3: Cross multiply
    53,625.76x = 80,438.66 × 18,546.28
  4. Step 4: Simplify right side
    53,625.76x = 1,491,837,911.18
  5. Step 5: Solve for x
    x = 1,491,837,911.18/53,625.76
  6. Step 6: Final answer
    x = 27,819.43

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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.