Home / 111,975.73-167,962.55-45,400.03

Finding the Fourth Proportional to 111,975.73, 167,962.55 and 45,400.03

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Solution

The fourth proportional to 111,975.73, 167,962.55 and 45,400.03 is: 68,099.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,975.73 : 167,962.55 = 45,400.03 : x
  2. Step 2: Convert to fraction form
    111,975.73/167,962.55 = 45,400.03/x
  3. Step 3: Cross multiply
    111,975.73x = 167,962.55 × 45,400.03
  4. Step 4: Simplify right side
    111,975.73x = 7,625,504,808.88
  5. Step 5: Solve for x
    x = 7,625,504,808.88/111,975.73
  6. Step 6: Final answer
    x = 68,099.62

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1.5x scale

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.