Finding the Fourth Proportional to 79,608.84, 119,431.78 and 29,689.08
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Solution
The fourth proportional to 79,608.84, 119,431.78 and 29,689.08 is: 44,540.53
Step by Step Solution
- Step 1: Write the proportion equation
79,608.84 : 119,431.78 = 29,689.08 : x - Step 2: Convert to fraction form
79,608.84/119,431.78 = 29,689.08/x - Step 3: Cross multiply
79,608.84x = 119,431.78 × 29,689.08 - Step 4: Simplify right side
79,608.84x = 3,545,819,670.96 - Step 5: Solve for x
x = 3,545,819,670.96/79,608.84 - Step 6: Final answer
x = 44,540.53
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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.