Home / 45,891.14-68,843.28-20,274.01

Finding the Fourth Proportional to 45,891.14, 68,843.28 and 20,274.01

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Solution

The fourth proportional to 45,891.14, 68,843.28 and 20,274.01 is: 30,413.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,891.14 : 68,843.28 = 20,274.01 : x
  2. Step 2: Convert to fraction form
    45,891.14/68,843.28 = 20,274.01/x
  3. Step 3: Cross multiply
    45,891.14x = 68,843.28 × 20,274.01
  4. Step 4: Simplify right side
    45,891.14x = 1,395,729,088.99
  5. Step 5: Solve for x
    x = 1,395,729,088.99/45,891.14
  6. Step 6: Final answer
    x = 30,413.91

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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.