Home / 111,982.69-167,954.59-38,110.69

Finding the Fourth Proportional to 111,982.69, 167,954.59 and 38,110.69

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Solution

The fourth proportional to 111,982.69, 167,954.59 and 38,110.69 is: 57,159.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,982.69 : 167,954.59 = 38,110.69 : x
  2. Step 2: Convert to fraction form
    111,982.69/167,954.59 = 38,110.69/x
  3. Step 3: Cross multiply
    111,982.69x = 167,954.59 × 38,110.69
  4. Step 4: Simplify right side
    111,982.69x = 6,400,865,313.57
  5. Step 5: Solve for x
    x = 6,400,865,313.57/111,982.69
  6. Step 6: Final answer
    x = 57,159.42

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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.