Home / 110,540.17-165,794.10-54,365.20

Finding the Fourth Proportional to 110,540.17, 165,794.10 and 54,365.20

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Solution

The fourth proportional to 110,540.17, 165,794.10 and 54,365.20 is: 81,539.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,540.17 : 165,794.10 = 54,365.20 : x
  2. Step 2: Convert to fraction form
    110,540.17/165,794.10 = 54,365.20/x
  3. Step 3: Cross multiply
    110,540.17x = 165,794.10 × 54,365.20
  4. Step 4: Simplify right side
    110,540.17x = 9,013,429,405.32
  5. Step 5: Solve for x
    x = 9,013,429,405.32/110,540.17
  6. Step 6: Final answer
    x = 81,539.85

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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.