Home / 81,674.54-122,516.42-29,084.03

Finding the Fourth Proportional to 81,674.54, 122,516.42 and 29,084.03

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Solution

The fourth proportional to 81,674.54, 122,516.42 and 29,084.03 is: 43,627.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,674.54 : 122,516.42 = 29,084.03 : x
  2. Step 2: Convert to fraction form
    81,674.54/122,516.42 = 29,084.03/x
  3. Step 3: Cross multiply
    81,674.54x = 122,516.42 × 29,084.03
  4. Step 4: Simplify right side
    81,674.54x = 3,563,270,476.77
  5. Step 5: Solve for x
    x = 3,563,270,476.77/81,674.54
  6. Step 6: Final answer
    x = 43,627.68

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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.