Home / 55,112.22-76,052.25-29,961.72

Finding the Fourth Proportional to 55,112.22, 76,052.25 and 29,961.72

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Solution

The fourth proportional to 55,112.22, 76,052.25 and 29,961.72 is: 41,345.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,112.22 : 76,052.25 = 29,961.72 : x
  2. Step 2: Convert to fraction form
    55,112.22/76,052.25 = 29,961.72/x
  3. Step 3: Cross multiply
    55,112.22x = 76,052.25 × 29,961.72
  4. Step 4: Simplify right side
    55,112.22x = 2,278,656,219.87
  5. Step 5: Solve for x
    x = 2,278,656,219.87/55,112.22
  6. Step 6: Final answer
    x = 41,345.75

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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.