Home / 53,845.40-80,777.34-20,568.44

Finding the Fourth Proportional to 53,845.40, 80,777.34 and 20,568.44

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Solution

The fourth proportional to 53,845.40, 80,777.34 and 20,568.44 is: 30,856.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,845.40 : 80,777.34 = 20,568.44 : x
  2. Step 2: Convert to fraction form
    53,845.40/80,777.34 = 20,568.44/x
  3. Step 3: Cross multiply
    53,845.40x = 80,777.34 × 20,568.44
  4. Step 4: Simplify right side
    53,845.40x = 1,661,463,871.15
  5. Step 5: Solve for x
    x = 1,661,463,871.15/53,845.40
  6. Step 6: Final answer
    x = 30,856.19

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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.