Home / 55,034.24-82,551.76-13,481.28

Finding the Fourth Proportional to 55,034.24, 82,551.76 and 13,481.28

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Solution

The fourth proportional to 55,034.24, 82,551.76 and 13,481.28 is: 20,222.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,034.24 : 82,551.76 = 13,481.28 : x
  2. Step 2: Convert to fraction form
    55,034.24/82,551.76 = 13,481.28/x
  3. Step 3: Cross multiply
    55,034.24x = 82,551.76 × 13,481.28
  4. Step 4: Simplify right side
    55,034.24x = 1,112,903,391.05
  5. Step 5: Solve for x
    x = 1,112,903,391.05/55,034.24
  6. Step 6: Final answer
    x = 20,222.02

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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.