Home / 111,446.64-167,170.14-39,453.12

Finding the Fourth Proportional to 111,446.64, 167,170.14 and 39,453.12

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Solution

The fourth proportional to 111,446.64, 167,170.14 and 39,453.12 is: 59,179.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,446.64 : 167,170.14 = 39,453.12 : x
  2. Step 2: Convert to fraction form
    111,446.64/167,170.14 = 39,453.12/x
  3. Step 3: Cross multiply
    111,446.64x = 167,170.14 × 39,453.12
  4. Step 4: Simplify right side
    111,446.64x = 6,595,383,593.84
  5. Step 5: Solve for x
    x = 6,595,383,593.84/111,446.64
  6. Step 6: Final answer
    x = 59,179.74

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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.