Home / 55,201.08-82,789.86-15,747.60

Finding the Fourth Proportional to 55,201.08, 82,789.86 and 15,747.60

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Solution

The fourth proportional to 55,201.08, 82,789.86 and 15,747.60 is: 23,618.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,201.08 : 82,789.86 = 15,747.60 : x
  2. Step 2: Convert to fraction form
    55,201.08/82,789.86 = 15,747.60/x
  3. Step 3: Cross multiply
    55,201.08x = 82,789.86 × 15,747.60
  4. Step 4: Simplify right side
    55,201.08x = 1,303,741,599.34
  5. Step 5: Solve for x
    x = 1,303,741,599.34/55,201.08
  6. Step 6: Final answer
    x = 23,618.05

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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.