Home / 66,087.21-91,200.44-35,872.52

Finding the Fourth Proportional to 66,087.21, 91,200.44 and 35,872.52

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Solution

The fourth proportional to 66,087.21, 91,200.44 and 35,872.52 is: 49,504.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,087.21 : 91,200.44 = 35,872.52 : x
  2. Step 2: Convert to fraction form
    66,087.21/91,200.44 = 35,872.52/x
  3. Step 3: Cross multiply
    66,087.21x = 91,200.44 × 35,872.52
  4. Step 4: Simplify right side
    66,087.21x = 3,271,589,241.59
  5. Step 5: Solve for x
    x = 3,271,589,241.59/66,087.21
  6. Step 6: Final answer
    x = 49,504.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.