Home / 108,993.03-163,499.04-30,107.33

Finding the Fourth Proportional to 108,993.03, 163,499.04 and 30,107.33

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Solution

The fourth proportional to 108,993.03, 163,499.04 and 30,107.33 is: 45,163.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,993.03 : 163,499.04 = 30,107.33 : x
  2. Step 2: Convert to fraction form
    108,993.03/163,499.04 = 30,107.33/x
  3. Step 3: Cross multiply
    108,993.03x = 163,499.04 × 30,107.33
  4. Step 4: Simplify right side
    108,993.03x = 4,922,519,551.96
  5. Step 5: Solve for x
    x = 4,922,519,551.96/108,993.03
  6. Step 6: Final answer
    x = 45,163.62

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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.