Home / 110,105.55-165,161.74-52,390.14

Finding the Fourth Proportional to 110,105.55, 165,161.74 and 52,390.14

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Solution

The fourth proportional to 110,105.55, 165,161.74 and 52,390.14 is: 78,586.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,105.55 : 165,161.74 = 52,390.14 : x
  2. Step 2: Convert to fraction form
    110,105.55/165,161.74 = 52,390.14/x
  3. Step 3: Cross multiply
    110,105.55x = 165,161.74 × 52,390.14
  4. Step 4: Simplify right side
    110,105.55x = 8,652,846,681.24
  5. Step 5: Solve for x
    x = 8,652,846,681.24/110,105.55
  6. Step 6: Final answer
    x = 78,586.83

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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.