Home / 111,469.38-167,216.74-40,425.50

Finding the Fourth Proportional to 111,469.38, 167,216.74 and 40,425.50

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Solution

The fourth proportional to 111,469.38, 167,216.74 and 40,425.50 is: 60,642.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,469.38 : 167,216.74 = 40,425.50 : x
  2. Step 2: Convert to fraction form
    111,469.38/167,216.74 = 40,425.50/x
  3. Step 3: Cross multiply
    111,469.38x = 167,216.74 × 40,425.50
  4. Step 4: Simplify right side
    111,469.38x = 6,759,820,322.87
  5. Step 5: Solve for x
    x = 6,759,820,322.87/111,469.38
  6. Step 6: Final answer
    x = 60,642.84

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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.