Home / 73,004.09-100,745.44-41,172.77

Finding the Fourth Proportional to 73,004.09, 100,745.44 and 41,172.77

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Solution

The fourth proportional to 73,004.09, 100,745.44 and 41,172.77 is: 56,818.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,004.09 : 100,745.44 = 41,172.77 : x
  2. Step 2: Convert to fraction form
    73,004.09/100,745.44 = 41,172.77/x
  3. Step 3: Cross multiply
    73,004.09x = 100,745.44 × 41,172.77
  4. Step 4: Simplify right side
    73,004.09x = 4,147,968,978.60
  5. Step 5: Solve for x
    x = 4,147,968,978.60/73,004.09
  6. Step 6: Final answer
    x = 56,818.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.