Home / 45,847.27-68,768.61-12,566.80

Finding the Fourth Proportional to 45,847.27, 68,768.61 and 12,566.80

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Solution

The fourth proportional to 45,847.27, 68,768.61 and 12,566.80 is: 18,849.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,847.27 : 68,768.61 = 12,566.80 : x
  2. Step 2: Convert to fraction form
    45,847.27/68,768.61 = 12,566.80/x
  3. Step 3: Cross multiply
    45,847.27x = 68,768.61 × 12,566.80
  4. Step 4: Simplify right side
    45,847.27x = 864,201,368.15
  5. Step 5: Solve for x
    x = 864,201,368.15/45,847.27
  6. Step 6: Final answer
    x = 18,849.57

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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.