Finding the Fourth Proportional to 79,830.09, 119,789.01 and 29,944.62
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Solution
The fourth proportional to 79,830.09, 119,789.01 and 29,944.62 is: 44,933.39
Step by Step Solution
- Step 1: Write the proportion equation
79,830.09 : 119,789.01 = 29,944.62 : x - Step 2: Convert to fraction form
79,830.09/119,789.01 = 29,944.62/x - Step 3: Cross multiply
79,830.09x = 119,789.01 × 29,944.62 - Step 4: Simplify right side
79,830.09x = 3,587,036,384.63 - Step 5: Solve for x
x = 3,587,036,384.63/79,830.09 - Step 6: Final answer
x = 44,933.39
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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.