Home / 111,928.78-167,893.20-37,028.80

Finding the Fourth Proportional to 111,928.78, 167,893.20 and 37,028.80

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Solution

The fourth proportional to 111,928.78, 167,893.20 and 37,028.80 is: 55,543.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,928.78 : 167,893.20 = 37,028.80 : x
  2. Step 2: Convert to fraction form
    111,928.78/167,893.20 = 37,028.80/x
  3. Step 3: Cross multiply
    111,928.78x = 167,893.20 × 37,028.80
  4. Step 4: Simplify right side
    111,928.78x = 6,216,883,724.16
  5. Step 5: Solve for x
    x = 6,216,883,724.16/111,928.78
  6. Step 6: Final answer
    x = 55,543.21

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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.