Home / 53,755.64-80,635.26-18,695.60

Finding the Fourth Proportional to 53,755.64, 80,635.26 and 18,695.60

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Solution

The fourth proportional to 53,755.64, 80,635.26 and 18,695.60 is: 28,044.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,755.64 : 80,635.26 = 18,695.60 : x
  2. Step 2: Convert to fraction form
    53,755.64/80,635.26 = 18,695.60/x
  3. Step 3: Cross multiply
    53,755.64x = 80,635.26 × 18,695.60
  4. Step 4: Simplify right side
    53,755.64x = 1,507,524,566.86
  5. Step 5: Solve for x
    x = 1,507,524,566.86/53,755.64
  6. Step 6: Final answer
    x = 28,044.03

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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.