Finding the Fourth Proportional to 69,172.26, 103,772.97 and 22,421.49
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Solution
The fourth proportional to 69,172.26, 103,772.97 and 22,421.49 is: 33,636.96
Step by Step Solution
- Step 1: Write the proportion equation
69,172.26 : 103,772.97 = 22,421.49 : x - Step 2: Convert to fraction form
69,172.26/103,772.97 = 22,421.49/x - Step 3: Cross multiply
69,172.26x = 103,772.97 × 22,421.49 - Step 4: Simplify right side
69,172.26x = 2,326,744,609.13 - Step 5: Solve for x
x = 2,326,744,609.13/69,172.26 - Step 6: Final answer
x = 33,636.96
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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.