Finding the Fourth Proportional to 79,736.80, 119,613.84 and 29,840.80
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Solution
The fourth proportional to 79,736.80, 119,613.84 and 29,840.80 is: 44,764.43
Step by Step Solution
- Step 1: Write the proportion equation
79,736.80 : 119,613.84 = 29,840.80 : x - Step 2: Convert to fraction form
79,736.80/119,613.84 = 29,840.80/x - Step 3: Cross multiply
79,736.80x = 119,613.84 × 29,840.80 - Step 4: Simplify right side
79,736.80x = 3,569,372,676.67 - Step 5: Solve for x
x = 3,569,372,676.67/79,736.80 - Step 6: Final answer
x = 44,764.43
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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.