Home / 111,923.52-167,868.69-40,829.51

Finding the Fourth Proportional to 111,923.52, 167,868.69 and 40,829.51

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Solution

The fourth proportional to 111,923.52, 167,868.69 and 40,829.51 is: 61,238.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,923.52 : 167,868.69 = 40,829.51 : x
  2. Step 2: Convert to fraction form
    111,923.52/167,868.69 = 40,829.51/x
  3. Step 3: Cross multiply
    111,923.52x = 167,868.69 × 40,829.51
  4. Step 4: Simplify right side
    111,923.52x = 6,853,995,517.70
  5. Step 5: Solve for x
    x = 6,853,995,517.70/111,923.52
  6. Step 6: Final answer
    x = 61,238.21

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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.