Home / 71,072.01-98,078.70-39,241.13

Finding the Fourth Proportional to 71,072.01, 98,078.70 and 39,241.13

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Solution

The fourth proportional to 71,072.01, 98,078.70 and 39,241.13 is: 54,152.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,072.01 : 98,078.70 = 39,241.13 : x
  2. Step 2: Convert to fraction form
    71,072.01/98,078.70 = 39,241.13/x
  3. Step 3: Cross multiply
    71,072.01x = 98,078.70 × 39,241.13
  4. Step 4: Simplify right side
    71,072.01x = 3,848,719,016.93
  5. Step 5: Solve for x
    x = 3,848,719,016.93/71,072.01
  6. Step 6: Final answer
    x = 54,152.39

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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.