Home / 55,379.24-76,431.72-33,881.48

Finding the Fourth Proportional to 55,379.24, 76,431.72 and 33,881.48

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Solution

The fourth proportional to 55,379.24, 76,431.72 and 33,881.48 is: 46,761.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,379.24 : 76,431.72 = 33,881.48 : x
  2. Step 2: Convert to fraction form
    55,379.24/76,431.72 = 33,881.48/x
  3. Step 3: Cross multiply
    55,379.24x = 76,431.72 × 33,881.48
  4. Step 4: Simplify right side
    55,379.24x = 2,589,619,792.55
  5. Step 5: Solve for x
    x = 2,589,619,792.55/55,379.24
  6. Step 6: Final answer
    x = 46,761.56

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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.