Home / 55,270.48-82,906.56-13,717.52

Finding the Fourth Proportional to 55,270.48, 82,906.56 and 13,717.52

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Solution

The fourth proportional to 55,270.48, 82,906.56 and 13,717.52 is: 20,576.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,270.48 : 82,906.56 = 13,717.52 : x
  2. Step 2: Convert to fraction form
    55,270.48/82,906.56 = 13,717.52/x
  3. Step 3: Cross multiply
    55,270.48x = 82,906.56 × 13,717.52
  4. Step 4: Simplify right side
    55,270.48x = 1,137,272,394.93
  5. Step 5: Solve for x
    x = 1,137,272,394.93/55,270.48
  6. Step 6: Final answer
    x = 20,576.49

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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.