Home / 45,517.23-68,275.53-12,234.51

Finding the Fourth Proportional to 45,517.23, 68,275.53 and 12,234.51

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Solution

The fourth proportional to 45,517.23, 68,275.53 and 12,234.51 is: 18,351.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,517.23 : 68,275.53 = 12,234.51 : x
  2. Step 2: Convert to fraction form
    45,517.23/68,275.53 = 12,234.51/x
  3. Step 3: Cross multiply
    45,517.23x = 68,275.53 × 12,234.51
  4. Step 4: Simplify right side
    45,517.23x = 835,317,654.54
  5. Step 5: Solve for x
    x = 835,317,654.54/45,517.23
  6. Step 6: Final answer
    x = 18,351.68

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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.