Home / 68,522.33-102,794.58-21,126.33

Finding the Fourth Proportional to 68,522.33, 102,794.58 and 21,126.33

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Solution

The fourth proportional to 68,522.33, 102,794.58 and 21,126.33 is: 31,692.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,522.33 : 102,794.58 = 21,126.33 : x
  2. Step 2: Convert to fraction form
    68,522.33/102,794.58 = 21,126.33/x
  3. Step 3: Cross multiply
    68,522.33x = 102,794.58 × 21,126.33
  4. Step 4: Simplify right side
    68,522.33x = 2,171,672,219.29
  5. Step 5: Solve for x
    x = 2,171,672,219.29/68,522.33
  6. Step 6: Final answer
    x = 31,692.91

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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.