Home / 81,766.12-122,546.58-34,963.96

Finding the Fourth Proportional to 81,766.12, 122,546.58 and 34,963.96

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Solution

The fourth proportional to 81,766.12, 122,546.58 and 34,963.96 is: 52,402.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,766.12 : 122,546.58 = 34,963.96 : x
  2. Step 2: Convert to fraction form
    81,766.12/122,546.58 = 34,963.96/x
  3. Step 3: Cross multiply
    81,766.12x = 122,546.58 × 34,963.96
  4. Step 4: Simplify right side
    81,766.12x = 4,284,713,721.26
  5. Step 5: Solve for x
    x = 4,284,713,721.26/81,766.12
  6. Step 6: Final answer
    x = 52,402.07

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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.