Home / 66,742.38-100,055.61-27,274.32

Finding the Fourth Proportional to 66,742.38, 100,055.61 and 27,274.32

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Solution

The fourth proportional to 66,742.38, 100,055.61 and 27,274.32 is: 40,887.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,742.38 : 100,055.61 = 27,274.32 : x
  2. Step 2: Convert to fraction form
    66,742.38/100,055.61 = 27,274.32/x
  3. Step 3: Cross multiply
    66,742.38x = 100,055.61 × 27,274.32
  4. Step 4: Simplify right side
    66,742.38x = 2,728,948,724.94
  5. Step 5: Solve for x
    x = 2,728,948,724.94/66,742.38
  6. Step 6: Final answer
    x = 40,887.79

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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.