Home / 66,464.30-91,704.33-39,241.02

Finding the Fourth Proportional to 66,464.30, 91,704.33 and 39,241.02

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Solution

The fourth proportional to 66,464.30, 91,704.33 and 39,241.02 is: 54,142.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,464.30 : 91,704.33 = 39,241.02 : x
  2. Step 2: Convert to fraction form
    66,464.30/91,704.33 = 39,241.02/x
  3. Step 3: Cross multiply
    66,464.30x = 91,704.33 × 39,241.02
  4. Step 4: Simplify right side
    66,464.30x = 3,598,571,708.58
  5. Step 5: Solve for x
    x = 3,598,571,708.58/66,464.30
  6. Step 6: Final answer
    x = 54,142.92

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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.