Home / 110,727.20-165,841.10-51,438.11

Finding the Fourth Proportional to 110,727.20, 165,841.10 and 51,438.11

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Solution

The fourth proportional to 110,727.20, 165,841.10 and 51,438.11 is: 77,041.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,727.20 : 165,841.10 = 51,438.11 : x
  2. Step 2: Convert to fraction form
    110,727.20/165,841.10 = 51,438.11/x
  3. Step 3: Cross multiply
    110,727.20x = 165,841.10 × 51,438.11
  4. Step 4: Simplify right side
    110,727.20x = 8,530,551,850.82
  5. Step 5: Solve for x
    x = 8,530,551,850.82/110,727.20
  6. Step 6: Final answer
    x = 77,041.16

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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.