Home / 111,669.05-167,467.56-36,771.39

Finding the Fourth Proportional to 111,669.05, 167,467.56 and 36,771.39

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Solution

The fourth proportional to 111,669.05, 167,467.56 and 36,771.39 is: 55,145.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,669.05 : 167,467.56 = 36,771.39 : x
  2. Step 2: Convert to fraction form
    111,669.05/167,467.56 = 36,771.39/x
  3. Step 3: Cross multiply
    111,669.05x = 167,467.56 × 36,771.39
  4. Step 4: Simplify right side
    111,669.05x = 6,158,014,961.11
  5. Step 5: Solve for x
    x = 6,158,014,961.11/111,669.05
  6. Step 6: Final answer
    x = 55,145.23

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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.