Home / 55,110.92-76,059.02-31,235.03

Finding the Fourth Proportional to 55,110.92, 76,059.02 and 31,235.03

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Solution

The fourth proportional to 55,110.92, 76,059.02 and 31,235.03 is: 43,107.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,110.92 : 76,059.02 = 31,235.03 : x
  2. Step 2: Convert to fraction form
    55,110.92/76,059.02 = 31,235.03/x
  3. Step 3: Cross multiply
    55,110.92x = 76,059.02 × 31,235.03
  4. Step 4: Simplify right side
    55,110.92x = 2,375,705,805.44
  5. Step 5: Solve for x
    x = 2,375,705,805.44/55,110.92
  6. Step 6: Final answer
    x = 43,107.71

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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.