Finding the Fourth Proportional to 79,596.96, 109,849.05 and 47,322.96
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Solution
The fourth proportional to 79,596.96, 109,849.05 and 47,322.96 is: 65,308.80
Step by Step Solution
- Step 1: Write the proportion equation
79,596.96 : 109,849.05 = 47,322.96 : x - Step 2: Convert to fraction form
79,596.96/109,849.05 = 47,322.96/x - Step 3: Cross multiply
79,596.96x = 109,849.05 × 47,322.96 - Step 4: Simplify right side
79,596.96x = 5,198,382,199.19 - Step 5: Solve for x
x = 5,198,382,199.19/79,596.96 - Step 6: Final answer
x = 65,308.80
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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.