Home / 68,294.30-102,441.08-18,370.33

Finding the Fourth Proportional to 68,294.30, 102,441.08 and 18,370.33

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Solution

The fourth proportional to 68,294.30, 102,441.08 and 18,370.33 is: 27,555.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,294.30 : 102,441.08 = 18,370.33 : x
  2. Step 2: Convert to fraction form
    68,294.30/102,441.08 = 18,370.33/x
  3. Step 3: Cross multiply
    68,294.30x = 102,441.08 × 18,370.33
  4. Step 4: Simplify right side
    68,294.30x = 1,881,876,234.98
  5. Step 5: Solve for x
    x = 1,881,876,234.98/68,294.30
  6. Step 6: Final answer
    x = 27,555.39

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1.5x scale

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.