Home / 111,786.37-167,638.97-61,222.95

Finding the Fourth Proportional to 111,786.37, 167,638.97 and 61,222.95

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Solution

The fourth proportional to 111,786.37, 167,638.97 and 61,222.95 is: 91,812.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,786.37 : 167,638.97 = 61,222.95 : x
  2. Step 2: Convert to fraction form
    111,786.37/167,638.97 = 61,222.95/x
  3. Step 3: Cross multiply
    111,786.37x = 167,638.97 × 61,222.95
  4. Step 4: Simplify right side
    111,786.37x = 10,263,352,431.42
  5. Step 5: Solve for x
    x = 10,263,352,431.42/111,786.37
  6. Step 6: Final answer
    x = 91,812.20

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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.