Finding the Fourth Proportional to 69,170.26, 103,769.97 and 22,419.49
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Solution
The fourth proportional to 69,170.26, 103,769.97 and 22,419.49 is: 33,633.96
Step by Step Solution
- Step 1: Write the proportion equation
69,170.26 : 103,769.97 = 22,419.49 : x - Step 2: Convert to fraction form
69,170.26/103,769.97 = 22,419.49/x - Step 3: Cross multiply
69,170.26x = 103,769.97 × 22,419.49 - Step 4: Simplify right side
69,170.26x = 2,326,470,105.28 - Step 5: Solve for x
x = 2,326,470,105.28/69,170.26 - Step 6: Final answer
x = 33,633.96
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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.