Finding the Fourth Proportional to 79,183.05, 118,753.80 and 29,277.42
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Solution
The fourth proportional to 79,183.05, 118,753.80 and 29,277.42 is: 43,908.45
Step by Step Solution
- Step 1: Write the proportion equation
79,183.05 : 118,753.80 = 29,277.42 : x - Step 2: Convert to fraction form
79,183.05/118,753.80 = 29,277.42/x - Step 3: Cross multiply
79,183.05x = 118,753.80 × 29,277.42 - Step 4: Simplify right side
79,183.05x = 3,476,804,879.20 - Step 5: Solve for x
x = 3,476,804,879.20/79,183.05 - Step 6: Final answer
x = 43,908.45
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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.