Home / 74,112.82-111,084.99-34,662.58

Finding the Fourth Proportional to 74,112.82, 111,084.99 and 34,662.58

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Solution

The fourth proportional to 74,112.82, 111,084.99 and 34,662.58 is: 51,954.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,112.82 : 111,084.99 = 34,662.58 : x
  2. Step 2: Convert to fraction form
    74,112.82/111,084.99 = 34,662.58/x
  3. Step 3: Cross multiply
    74,112.82x = 111,084.99 × 34,662.58
  4. Step 4: Simplify right side
    74,112.82x = 3,850,492,352.67
  5. Step 5: Solve for x
    x = 3,850,492,352.67/74,112.82
  6. Step 6: Final answer
    x = 51,954.47

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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.