Home / 53,399.72-80,099.58-20,127.26

Finding the Fourth Proportional to 53,399.72, 80,099.58 and 20,127.26

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Solution

The fourth proportional to 53,399.72, 80,099.58 and 20,127.26 is: 30,190.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,399.72 : 80,099.58 = 20,127.26 : x
  2. Step 2: Convert to fraction form
    53,399.72/80,099.58 = 20,127.26/x
  3. Step 3: Cross multiply
    53,399.72x = 80,099.58 × 20,127.26
  4. Step 4: Simplify right side
    53,399.72x = 1,612,185,072.55
  5. Step 5: Solve for x
    x = 1,612,185,072.55/53,399.72
  6. Step 6: Final answer
    x = 30,190.89

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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.