Home / 110,511.45-165,767.18-27,405.45

Finding the Fourth Proportional to 110,511.45, 165,767.18 and 27,405.45

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Solution

The fourth proportional to 110,511.45, 165,767.18 and 27,405.45 is: 41,108.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,511.45 : 165,767.18 = 27,405.45 : x
  2. Step 2: Convert to fraction form
    110,511.45/165,767.18 = 27,405.45/x
  3. Step 3: Cross multiply
    110,511.45x = 165,767.18 × 27,405.45
  4. Step 4: Simplify right side
    110,511.45x = 4,542,924,026.10
  5. Step 5: Solve for x
    x = 4,542,924,026.10/110,511.45
  6. Step 6: Final answer
    x = 41,108.18

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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.