Home / 81,938.44-122,810.46-35,092.36

Finding the Fourth Proportional to 81,938.44, 122,810.46 and 35,092.36

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Solution

The fourth proportional to 81,938.44, 122,810.46 and 35,092.36 is: 52,596.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,938.44 : 122,810.46 = 35,092.36 : x
  2. Step 2: Convert to fraction form
    81,938.44/122,810.46 = 35,092.36/x
  3. Step 3: Cross multiply
    81,938.44x = 122,810.46 × 35,092.36
  4. Step 4: Simplify right side
    81,938.44x = 4,309,708,874.09
  5. Step 5: Solve for x
    x = 4,309,708,874.09/81,938.44
  6. Step 6: Final answer
    x = 52,596.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.