Home / 67,154.94-100,666.80-27,739.62

Finding the Fourth Proportional to 67,154.94, 100,666.80 and 27,739.62

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Solution

The fourth proportional to 67,154.94, 100,666.80 and 27,739.62 is: 41,582.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,154.94 : 100,666.80 = 27,739.62 : x
  2. Step 2: Convert to fraction form
    67,154.94/100,666.80 = 27,739.62/x
  3. Step 3: Cross multiply
    67,154.94x = 100,666.80 × 27,739.62
  4. Step 4: Simplify right side
    67,154.94x = 2,792,458,778.62
  5. Step 5: Solve for x
    x = 2,792,458,778.62/67,154.94
  6. Step 6: Final answer
    x = 41,582.33

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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.