Finding the Fourth Proportional to 79,687.72, 119,497.02 and 27,083.08
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Solution
The fourth proportional to 79,687.72, 119,497.02 and 27,083.08 is: 40,612.87
Step by Step Solution
- Step 1: Write the proportion equation
79,687.72 : 119,497.02 = 27,083.08 : x - Step 2: Convert to fraction form
79,687.72/119,497.02 = 27,083.08/x - Step 3: Cross multiply
79,687.72x = 119,497.02 × 27,083.08 - Step 4: Simplify right side
79,687.72x = 3,236,347,352.42 - Step 5: Solve for x
x = 3,236,347,352.42/79,687.72 - Step 6: Final answer
x = 40,612.87
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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.