Home / 111,988.40-167,991.32-37,105.52

Finding the Fourth Proportional to 111,988.40, 167,991.32 and 37,105.52

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Solution

The fourth proportional to 111,988.40, 167,991.32 and 37,105.52 is: 55,661.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,988.40 : 167,991.32 = 37,105.52 : x
  2. Step 2: Convert to fraction form
    111,988.40/167,991.32 = 37,105.52/x
  3. Step 3: Cross multiply
    111,988.40x = 167,991.32 × 37,105.52
  4. Step 4: Simplify right side
    111,988.40x = 6,233,405,284.09
  5. Step 5: Solve for x
    x = 6,233,405,284.09/111,988.40
  6. Step 6: Final answer
    x = 55,661.17

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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.