Finding the Fourth Proportional to 79,654.43, 119,481.33 and 29,747.09
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Solution
The fourth proportional to 79,654.43, 119,481.33 and 29,747.09 is: 44,620.51
Step by Step Solution
- Step 1: Write the proportion equation
79,654.43 : 119,481.33 = 29,747.09 : x - Step 2: Convert to fraction form
79,654.43/119,481.33 = 29,747.09/x - Step 3: Cross multiply
79,654.43x = 119,481.33 × 29,747.09 - Step 4: Simplify right side
79,654.43x = 3,554,221,390.97 - Step 5: Solve for x
x = 3,554,221,390.97/79,654.43 - Step 6: Final answer
x = 44,620.51
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1.5x scale
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.