Finding the Fourth Proportional to 79,142.76, 118,717.82 and 44,055.96
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Solution
The fourth proportional to 79,142.76, 118,717.82 and 44,055.96 is: 66,085.99
Step by Step Solution
- Step 1: Write the proportion equation
79,142.76 : 118,717.82 = 44,055.96 : x - Step 2: Convert to fraction form
79,142.76/118,717.82 = 44,055.96/x - Step 3: Cross multiply
79,142.76x = 118,717.82 × 44,055.96 - Step 4: Simplify right side
79,142.76x = 5,230,227,529.21 - Step 5: Solve for x
x = 5,230,227,529.21/79,142.76 - Step 6: Final answer
x = 66,085.99
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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.