Home / 45,722.22-68,576.39-12,444.88

Finding the Fourth Proportional to 45,722.22, 68,576.39 and 12,444.88

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Solution

The fourth proportional to 45,722.22, 68,576.39 and 12,444.88 is: 18,665.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,722.22 : 68,576.39 = 12,444.88 : x
  2. Step 2: Convert to fraction form
    45,722.22/68,576.39 = 12,444.88/x
  3. Step 3: Cross multiply
    45,722.22x = 68,576.39 × 12,444.88
  4. Step 4: Simplify right side
    45,722.22x = 853,424,944.38
  5. Step 5: Solve for x
    x = 853,424,944.38/45,722.22
  6. Step 6: Final answer
    x = 18,665.43

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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.