Finding the Fourth Proportional to 79,351.31, 119,033.96 and 29,431.96
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Solution
The fourth proportional to 79,351.31, 119,033.96 and 29,431.96 is: 44,150.53
Step by Step Solution
- Step 1: Write the proportion equation
79,351.31 : 119,033.96 = 29,431.96 : x - Step 2: Convert to fraction form
79,351.31/119,033.96 = 29,431.96/x - Step 3: Cross multiply
79,351.31x = 119,033.96 × 29,431.96 - Step 4: Simplify right side
79,351.31x = 3,503,402,304.62 - Step 5: Solve for x
x = 3,503,402,304.62/79,351.31 - Step 6: Final answer
x = 44,150.53
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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.