Home / 37,072.09-55,616.78-12,113.29

Finding the Fourth Proportional to 37,072.09, 55,616.78 and 12,113.29

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Solution

The fourth proportional to 37,072.09, 55,616.78 and 12,113.29 is: 18,172.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,072.09 : 55,616.78 = 12,113.29 : x
  2. Step 2: Convert to fraction form
    37,072.09/55,616.78 = 12,113.29/x
  3. Step 3: Cross multiply
    37,072.09x = 55,616.78 × 12,113.29
  4. Step 4: Simplify right side
    37,072.09x = 673,702,124.44
  5. Step 5: Solve for x
    x = 673,702,124.44/37,072.09
  6. Step 6: Final answer
    x = 18,172.76

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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.