Home / 68,946.82-95,157.91-57,443.50

Finding the Fourth Proportional to 68,946.82, 95,157.91 and 57,443.50

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Solution

The fourth proportional to 68,946.82, 95,157.91 and 57,443.50 is: 79,281.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,946.82 : 95,157.91 = 57,443.50 : x
  2. Step 2: Convert to fraction form
    68,946.82/95,157.91 = 57,443.50/x
  3. Step 3: Cross multiply
    68,946.82x = 95,157.91 × 57,443.50
  4. Step 4: Simplify right side
    68,946.82x = 5,466,202,735.45
  5. Step 5: Solve for x
    x = 5,466,202,735.45/68,946.82
  6. Step 6: Final answer
    x = 79,281.43

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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.