Finding the Fourth Proportional to 79,827.88, 119,676.89 and 29,879.99
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Solution
The fourth proportional to 79,827.88, 119,676.89 and 29,879.99 is: 44,795.68
Step by Step Solution
- Step 1: Write the proportion equation
79,827.88 : 119,676.89 = 29,879.99 : x - Step 2: Convert to fraction form
79,827.88/119,676.89 = 29,879.99/x - Step 3: Cross multiply
79,827.88x = 119,676.89 × 29,879.99 - Step 4: Simplify right side
79,827.88x = 3,575,944,276.43 - Step 5: Solve for x
x = 3,575,944,276.43/79,827.88 - Step 6: Final answer
x = 44,795.68
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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.