Home / 74,324.37-111,486.12-18,164.78

Finding the Fourth Proportional to 74,324.37, 111,486.12 and 18,164.78

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Solution

The fourth proportional to 74,324.37, 111,486.12 and 18,164.78 is: 27,247.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,324.37 : 111,486.12 = 18,164.78 : x
  2. Step 2: Convert to fraction form
    74,324.37/111,486.12 = 18,164.78/x
  3. Step 3: Cross multiply
    74,324.37x = 111,486.12 × 18,164.78
  4. Step 4: Simplify right side
    74,324.37x = 2,025,120,285.42
  5. Step 5: Solve for x
    x = 2,025,120,285.42/74,324.37
  6. Step 6: Final answer
    x = 27,247.06

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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.