Finding the Fourth Proportional to 79,845.39, 119,779.02 and 27,240.75
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Solution
The fourth proportional to 79,845.39, 119,779.02 and 27,240.75 is: 40,864.86
Step by Step Solution
- Step 1: Write the proportion equation
79,845.39 : 119,779.02 = 27,240.75 : x - Step 2: Convert to fraction form
79,845.39/119,779.02 = 27,240.75/x - Step 3: Cross multiply
79,845.39x = 119,779.02 × 27,240.75 - Step 4: Simplify right side
79,845.39x = 3,262,870,339.07 - Step 5: Solve for x
x = 3,262,870,339.07/79,845.39 - Step 6: Final answer
x = 40,864.86
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1.5x scale
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.