Home / 36,072.67-54,114.83-11,112.72

Finding the Fourth Proportional to 36,072.67, 54,114.83 and 11,112.72

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Solution

The fourth proportional to 36,072.67, 54,114.83 and 11,112.72 is: 16,670.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,072.67 : 54,114.83 = 11,112.72 : x
  2. Step 2: Convert to fraction form
    36,072.67/54,114.83 = 11,112.72/x
  3. Step 3: Cross multiply
    36,072.67x = 54,114.83 × 11,112.72
  4. Step 4: Simplify right side
    36,072.67x = 601,362,953.64
  5. Step 5: Solve for x
    x = 601,362,953.64/36,072.67
  6. Step 6: Final answer
    x = 16,670.87

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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.