Finding the Fourth Proportional to 94,184.75, 129,976.37 and 51,165.09
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Solution
The fourth proportional to 94,184.75, 129,976.37 and 51,165.09 is: 70,608.60
Step by Step Solution
- Step 1: Write the proportion equation
94,184.75 : 129,976.37 = 51,165.09 : x - Step 2: Convert to fraction form
94,184.75/129,976.37 = 51,165.09/x - Step 3: Cross multiply
94,184.75x = 129,976.37 × 51,165.09 - Step 4: Simplify right side
94,184.75x = 6,650,253,114.43 - Step 5: Solve for x
x = 6,650,253,114.43/94,184.75 - Step 6: Final answer
x = 70,608.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.