Home / 111,972.73-167,958.05-45,397.03

Finding the Fourth Proportional to 111,972.73, 167,958.05 and 45,397.03

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Solution

The fourth proportional to 111,972.73, 167,958.05 and 45,397.03 is: 68,095.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,972.73 : 167,958.05 = 45,397.03 : x
  2. Step 2: Convert to fraction form
    111,972.73/167,958.05 = 45,397.03/x
  3. Step 3: Cross multiply
    111,972.73x = 167,958.05 × 45,397.03
  4. Step 4: Simplify right side
    111,972.73x = 7,624,797,148.47
  5. Step 5: Solve for x
    x = 7,624,797,148.47/111,972.73
  6. Step 6: Final answer
    x = 68,095.13

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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.