Finding the Fourth Proportional to 83,371.75, 125,070.68 and 27,198.88
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Solution
The fourth proportional to 83,371.75, 125,070.68 and 27,198.88 is: 40,802.58
Step by Step Solution
- Step 1: Write the proportion equation
83,371.75 : 125,070.68 = 27,198.88 : x - Step 2: Convert to fraction form
83,371.75/125,070.68 = 27,198.88/x - Step 3: Cross multiply
83,371.75x = 125,070.68 × 27,198.88 - Step 4: Simplify right side
83,371.75x = 3,401,782,172.16 - Step 5: Solve for x
x = 3,401,782,172.16/83,371.75 - Step 6: Final answer
x = 40,802.58
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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.