Home / 73,839.64-110,772.44-31,745.56

Finding the Fourth Proportional to 73,839.64, 110,772.44 and 31,745.56

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Solution

The fourth proportional to 73,839.64, 110,772.44 and 31,745.56 is: 47,623.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,839.64 : 110,772.44 = 31,745.56 : x
  2. Step 2: Convert to fraction form
    73,839.64/110,772.44 = 31,745.56/x
  3. Step 3: Cross multiply
    73,839.64x = 110,772.44 × 31,745.56
  4. Step 4: Simplify right side
    73,839.64x = 3,516,533,140.37
  5. Step 5: Solve for x
    x = 3,516,533,140.37/73,839.64
  6. Step 6: Final answer
    x = 47,623.92

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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.