Home / 71,072.22-98,080.39-39,241.04

Finding the Fourth Proportional to 71,072.22, 98,080.39 and 39,241.04

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Solution

The fourth proportional to 71,072.22, 98,080.39 and 39,241.04 is: 54,153.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,072.22 : 98,080.39 = 39,241.04 : x
  2. Step 2: Convert to fraction form
    71,072.22/98,080.39 = 39,241.04/x
  3. Step 3: Cross multiply
    71,072.22x = 98,080.39 × 39,241.04
  4. Step 4: Simplify right side
    71,072.22x = 3,848,776,727.92
  5. Step 5: Solve for x
    x = 3,848,776,727.92/71,072.22
  6. Step 6: Final answer
    x = 54,153.04

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1.5x scale

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.