Home / 111,747.01-167,725.83-40,738.30

Finding the Fourth Proportional to 111,747.01, 167,725.83 and 40,738.30

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Solution

The fourth proportional to 111,747.01, 167,725.83 and 40,738.30 is: 61,145.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,747.01 : 167,725.83 = 40,738.30 : x
  2. Step 2: Convert to fraction form
    111,747.01/167,725.83 = 40,738.30/x
  3. Step 3: Cross multiply
    111,747.01x = 167,725.83 × 40,738.30
  4. Step 4: Simplify right side
    111,747.01x = 6,832,865,180.29
  5. Step 5: Solve for x
    x = 6,832,865,180.29/111,747.01
  6. Step 6: Final answer
    x = 61,145.84

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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.