Home / 111,921.50-167,882.26-38,049.50

Finding the Fourth Proportional to 111,921.50, 167,882.26 and 38,049.50

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Solution

The fourth proportional to 111,921.50, 167,882.26 and 38,049.50 is: 57,074.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,921.50 : 167,882.26 = 38,049.50 : x
  2. Step 2: Convert to fraction form
    111,921.50/167,882.26 = 38,049.50/x
  3. Step 3: Cross multiply
    111,921.50x = 167,882.26 × 38,049.50
  4. Step 4: Simplify right side
    111,921.50x = 6,387,836,051.87
  5. Step 5: Solve for x
    x = 6,387,836,051.87/111,921.50
  6. Step 6: Final answer
    x = 57,074.25

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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.