Finding the Fourth Proportional to 79,926.88, 119,859.04 and 29,979.68
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Solution
The fourth proportional to 79,926.88, 119,859.04 and 29,979.68 is: 44,957.79
Step by Step Solution
- Step 1: Write the proportion equation
79,926.88 : 119,859.04 = 29,979.68 : x - Step 2: Convert to fraction form
79,926.88/119,859.04 = 29,979.68/x - Step 3: Cross multiply
79,926.88x = 119,859.04 × 29,979.68 - Step 4: Simplify right side
79,926.88x = 3,593,335,664.31 - Step 5: Solve for x
x = 3,593,335,664.31/79,926.88 - Step 6: Final answer
x = 44,957.79
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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.