Home / 68,091.84-93,889.26-47,942.28

Finding the Fourth Proportional to 68,091.84, 93,889.26 and 47,942.28

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Solution

The fourth proportional to 68,091.84, 93,889.26 and 47,942.28 is: 66,105.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,091.84 : 93,889.26 = 47,942.28 : x
  2. Step 2: Convert to fraction form
    68,091.84/93,889.26 = 47,942.28/x
  3. Step 3: Cross multiply
    68,091.84x = 93,889.26 × 47,942.28
  4. Step 4: Simplify right side
    68,091.84x = 4,501,265,191.91
  5. Step 5: Solve for x
    x = 4,501,265,191.91/68,091.84
  6. Step 6: Final answer
    x = 66,105.79

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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.