Home / 111,936.78-167,905.20-37,036.80

Finding the Fourth Proportional to 111,936.78, 167,905.20 and 37,036.80

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Solution

The fourth proportional to 111,936.78, 167,905.20 and 37,036.80 is: 55,555.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,936.78 : 167,905.20 = 37,036.80 : x
  2. Step 2: Convert to fraction form
    111,936.78/167,905.20 = 37,036.80/x
  3. Step 3: Cross multiply
    111,936.78x = 167,905.20 × 37,036.80
  4. Step 4: Simplify right side
    111,936.78x = 6,218,671,311.36
  5. Step 5: Solve for x
    x = 6,218,671,311.36/111,936.78
  6. Step 6: Final answer
    x = 55,555.21

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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.