Home / 68,336.70-102,519.45-21,594.30

Finding the Fourth Proportional to 68,336.70, 102,519.45 and 21,594.30

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Solution

The fourth proportional to 68,336.70, 102,519.45 and 21,594.30 is: 32,396.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,336.70 : 102,519.45 = 21,594.30 : x
  2. Step 2: Convert to fraction form
    68,336.70/102,519.45 = 21,594.30/x
  3. Step 3: Cross multiply
    68,336.70x = 102,519.45 × 21,594.30
  4. Step 4: Simplify right side
    68,336.70x = 2,213,835,759.14
  5. Step 5: Solve for x
    x = 2,213,835,759.14/68,336.70
  6. Step 6: Final answer
    x = 32,396.00

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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.