Home / 111,971.70-167,981.24-37,087.60

Finding the Fourth Proportional to 111,971.70, 167,981.24 and 37,087.60

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Solution

The fourth proportional to 111,971.70, 167,981.24 and 37,087.60 is: 55,639.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,971.70 : 167,981.24 = 37,087.60 : x
  2. Step 2: Convert to fraction form
    111,971.70/167,981.24 = 37,087.60/x
  3. Step 3: Cross multiply
    111,971.70x = 167,981.24 × 37,087.60
  4. Step 4: Simplify right side
    111,971.70x = 6,230,021,036.62
  5. Step 5: Solve for x
    x = 6,230,021,036.62/111,971.70
  6. Step 6: Final answer
    x = 55,639.25

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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.