Home / 81,512.90-122,304.53-44,099.31

Finding the Fourth Proportional to 81,512.90, 122,304.53 and 44,099.31

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Solution

The fourth proportional to 81,512.90, 122,304.53 and 44,099.31 is: 66,168.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,512.90 : 122,304.53 = 44,099.31 : x
  2. Step 2: Convert to fraction form
    81,512.90/122,304.53 = 44,099.31/x
  3. Step 3: Cross multiply
    81,512.90x = 122,304.53 × 44,099.31
  4. Step 4: Simplify right side
    81,512.90x = 5,393,545,162.38
  5. Step 5: Solve for x
    x = 5,393,545,162.38/81,512.90
  6. Step 6: Final answer
    x = 66,168.00

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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.