Home / 110,538.17-165,791.10-54,363.20

Finding the Fourth Proportional to 110,538.17, 165,791.10 and 54,363.20

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Solution

The fourth proportional to 110,538.17, 165,791.10 and 54,363.20 is: 81,536.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,538.17 : 165,791.10 = 54,363.20 : x
  2. Step 2: Convert to fraction form
    110,538.17/165,791.10 = 54,363.20/x
  3. Step 3: Cross multiply
    110,538.17x = 165,791.10 × 54,363.20
  4. Step 4: Simplify right side
    110,538.17x = 9,012,934,727.52
  5. Step 5: Solve for x
    x = 9,012,934,727.52/110,538.17
  6. Step 6: Final answer
    x = 81,536.85

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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.