Home / 81,934.50-122,787.44-61,927.50

Finding the Fourth Proportional to 81,934.50, 122,787.44 and 61,927.50

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Solution

The fourth proportional to 81,934.50, 122,787.44 and 61,927.50 is: 92,804.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,934.50 : 122,787.44 = 61,927.50 : x
  2. Step 2: Convert to fraction form
    81,934.50/122,787.44 = 61,927.50/x
  3. Step 3: Cross multiply
    81,934.50x = 122,787.44 × 61,927.50
  4. Step 4: Simplify right side
    81,934.50x = 7,603,919,190.60
  5. Step 5: Solve for x
    x = 7,603,919,190.60/81,934.50
  6. Step 6: Final answer
    x = 92,804.85

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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.