Home / 111,844.75-167,767.12-40,772.72

Finding the Fourth Proportional to 111,844.75, 167,767.12 and 40,772.72

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Solution

The fourth proportional to 111,844.75, 167,767.12 and 40,772.72 is: 61,159.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,844.75 : 167,767.12 = 40,772.72 : x
  2. Step 2: Convert to fraction form
    111,844.75/167,767.12 = 40,772.72/x
  3. Step 3: Cross multiply
    111,844.75x = 167,767.12 × 40,772.72
  4. Step 4: Simplify right side
    111,844.75x = 6,840,321,450.33
  5. Step 5: Solve for x
    x = 6,840,321,450.33/111,844.75
  6. Step 6: Final answer
    x = 61,159.08

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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.