Home / 73,140.26-109,693.97-43,566.54

Finding the Fourth Proportional to 73,140.26, 109,693.97 and 43,566.54

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Solution

The fourth proportional to 73,140.26, 109,693.97 and 43,566.54 is: 65,340.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,140.26 : 109,693.97 = 43,566.54 : x
  2. Step 2: Convert to fraction form
    73,140.26/109,693.97 = 43,566.54/x
  3. Step 3: Cross multiply
    73,140.26x = 109,693.97 × 43,566.54
  4. Step 4: Simplify right side
    73,140.26x = 4,778,986,513.93
  5. Step 5: Solve for x
    x = 4,778,986,513.93/73,140.26
  6. Step 6: Final answer
    x = 65,340.03

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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.