Home / 55,051.64-75,972.26-31,183.27

Finding the Fourth Proportional to 55,051.64, 75,972.26 and 31,183.27

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Solution

The fourth proportional to 55,051.64, 75,972.26 and 31,183.27 is: 43,033.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,051.64 : 75,972.26 = 31,183.27 : x
  2. Step 2: Convert to fraction form
    55,051.64/75,972.26 = 31,183.27/x
  3. Step 3: Cross multiply
    55,051.64x = 75,972.26 × 31,183.27
  4. Step 4: Simplify right side
    55,051.64x = 2,369,063,384.12
  5. Step 5: Solve for x
    x = 2,369,063,384.12/55,051.64
  6. Step 6: Final answer
    x = 43,033.48

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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.