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Finding the Fourth Proportional to 68,808.12, 94,940.73 and 44,969.82

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Solution

The fourth proportional to 68,808.12, 94,940.73 and 44,969.82 is: 62,048.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,808.12 : 94,940.73 = 44,969.82 : x
  2. Step 2: Convert to fraction form
    68,808.12/94,940.73 = 44,969.82/x
  3. Step 3: Cross multiply
    68,808.12x = 94,940.73 × 44,969.82
  4. Step 4: Simplify right side
    68,808.12x = 4,269,467,538.77
  5. Step 5: Solve for x
    x = 4,269,467,538.77/68,808.12
  6. Step 6: Final answer
    x = 62,048.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.