Finding the Fourth Proportional to 71,293.97, 106,940.82 and 29,193.68
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Solution
The fourth proportional to 71,293.97, 106,940.82 and 29,193.68 is: 43,790.47
Step by Step Solution
- Step 1: Write the proportion equation
71,293.97 : 106,940.82 = 29,193.68 : x - Step 2: Convert to fraction form
71,293.97/106,940.82 = 29,193.68/x - Step 3: Cross multiply
71,293.97x = 106,940.82 × 29,193.68 - Step 4: Simplify right side
71,293.97x = 3,121,996,454.85 - Step 5: Solve for x
x = 3,121,996,454.85/71,293.97 - Step 6: Final answer
x = 43,790.47
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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.