Home / 53,824.08-80,736.57-18,763.68

Finding the Fourth Proportional to 53,824.08, 80,736.57 and 18,763.68

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Solution

The fourth proportional to 53,824.08, 80,736.57 and 18,763.68 is: 28,145.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,824.08 : 80,736.57 = 18,763.68 : x
  2. Step 2: Convert to fraction form
    53,824.08/80,736.57 = 18,763.68/x
  3. Step 3: Cross multiply
    53,824.08x = 80,736.57 × 18,763.68
  4. Step 4: Simplify right side
    53,824.08x = 1,514,915,163.78
  5. Step 5: Solve for x
    x = 1,514,915,163.78/53,824.08
  6. Step 6: Final answer
    x = 28,145.68

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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.