Home / 84,171.39-126,168.31-27,996.49

Finding the Fourth Proportional to 84,171.39, 126,168.31 and 27,996.49

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Solution

The fourth proportional to 84,171.39, 126,168.31 and 27,996.49 is: 41,965.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,171.39 : 126,168.31 = 27,996.49 : x
  2. Step 2: Convert to fraction form
    84,171.39/126,168.31 = 27,996.49/x
  3. Step 3: Cross multiply
    84,171.39x = 126,168.31 × 27,996.49
  4. Step 4: Simplify right side
    84,171.39x = 3,532,269,829.23
  5. Step 5: Solve for x
    x = 3,532,269,829.23/84,171.39
  6. Step 6: Final answer
    x = 41,965.21

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1.5x scale

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.