Home / 111,962.20-167,943.30-49,632.70

Finding the Fourth Proportional to 111,962.20, 167,943.30 and 49,632.70

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Solution

The fourth proportional to 111,962.20, 167,943.30 and 49,632.70 is: 74,449.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,962.20 : 167,943.30 = 49,632.70 : x
  2. Step 2: Convert to fraction form
    111,962.20/167,943.30 = 49,632.70/x
  3. Step 3: Cross multiply
    111,962.20x = 167,943.30 × 49,632.70
  4. Step 4: Simplify right side
    111,962.20x = 8,335,479,425.91
  5. Step 5: Solve for x
    x = 8,335,479,425.91/111,962.20
  6. Step 6: Final answer
    x = 74,449.05

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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.