Home / 111,438.24-167,039.97-36,538.86

Finding the Fourth Proportional to 111,438.24, 167,039.97 and 36,538.86

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Solution

The fourth proportional to 111,438.24, 167,039.97 and 36,538.86 is: 54,769.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,438.24 : 167,039.97 = 36,538.86 : x
  2. Step 2: Convert to fraction form
    111,438.24/167,039.97 = 36,538.86/x
  3. Step 3: Cross multiply
    111,438.24x = 167,039.97 × 36,538.86
  4. Step 4: Simplify right side
    111,438.24x = 6,103,450,078.23
  5. Step 5: Solve for x
    x = 6,103,450,078.23/111,438.24
  6. Step 6: Final answer
    x = 54,769.80

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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.