Finding the Fourth Proportional to 83,675.80, 125,517.73 and 27,514.66
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Solution
The fourth proportional to 83,675.80, 125,517.73 and 27,514.66 is: 41,273.32
Step by Step Solution
- Step 1: Write the proportion equation
83,675.80 : 125,517.73 = 27,514.66 : x - Step 2: Convert to fraction form
83,675.80/125,517.73 = 27,514.66/x - Step 3: Cross multiply
83,675.80x = 125,517.73 × 27,514.66 - Step 4: Simplify right side
83,675.80x = 3,453,577,960.99 - Step 5: Solve for x
x = 3,453,577,960.99/83,675.80 - Step 6: Final answer
x = 41,273.32
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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.