Home / 81,445.73-122,083.34-34,087.95

Finding the Fourth Proportional to 81,445.73, 122,083.34 and 34,087.95

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Solution

The fourth proportional to 81,445.73, 122,083.34 and 34,087.95 is: 51,096.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,445.73 : 122,083.34 = 34,087.95 : x
  2. Step 2: Convert to fraction form
    81,445.73/122,083.34 = 34,087.95/x
  3. Step 3: Cross multiply
    81,445.73x = 122,083.34 × 34,087.95
  4. Step 4: Simplify right side
    81,445.73x = 4,161,570,619.31
  5. Step 5: Solve for x
    x = 4,161,570,619.31/81,445.73
  6. Step 6: Final answer
    x = 51,096.24

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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.