Home / 73,243.28-109,821.72-25,835.60

Finding the Fourth Proportional to 73,243.28, 109,821.72 and 25,835.60

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Solution

The fourth proportional to 73,243.28, 109,821.72 and 25,835.60 is: 38,738.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,243.28 : 109,821.72 = 25,835.60 : x
  2. Step 2: Convert to fraction form
    73,243.28/109,821.72 = 25,835.60/x
  3. Step 3: Cross multiply
    73,243.28x = 109,821.72 × 25,835.60
  4. Step 4: Simplify right side
    73,243.28x = 2,837,310,029.23
  5. Step 5: Solve for x
    x = 2,837,310,029.23/73,243.28
  6. Step 6: Final answer
    x = 38,738.16

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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.