Home / 110,091.08-165,021.17-53,853.56

Finding the Fourth Proportional to 110,091.08, 165,021.17 and 53,853.56

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Solution

The fourth proportional to 110,091.08, 165,021.17 and 53,853.56 is: 80,723.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,091.08 : 165,021.17 = 53,853.56 : x
  2. Step 2: Convert to fraction form
    110,091.08/165,021.17 = 53,853.56/x
  3. Step 3: Cross multiply
    110,091.08x = 165,021.17 × 53,853.56
  4. Step 4: Simplify right side
    110,091.08x = 8,886,977,479.87
  5. Step 5: Solve for x
    x = 8,886,977,479.87/110,091.08
  6. Step 6: Final answer
    x = 80,723.87

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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.