Home / 53,610.20-80,408.47-14,170.39

Finding the Fourth Proportional to 53,610.20, 80,408.47 and 14,170.39

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Solution

The fourth proportional to 53,610.20, 80,408.47 and 14,170.39 is: 21,253.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,610.20 : 80,408.47 = 14,170.39 : x
  2. Step 2: Convert to fraction form
    53,610.20/80,408.47 = 14,170.39/x
  3. Step 3: Cross multiply
    53,610.20x = 80,408.47 × 14,170.39
  4. Step 4: Simplify right side
    53,610.20x = 1,139,419,661.48
  5. Step 5: Solve for x
    x = 1,139,419,661.48/53,610.20
  6. Step 6: Final answer
    x = 21,253.78

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1.5x scale

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.