Finding the Fourth Proportional to 84,183.04, 126,235.68 and 31,554.88
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Solution
The fourth proportional to 84,183.04, 126,235.68 and 31,554.88 is: 47,317.75
Step by Step Solution
- Step 1: Write the proportion equation
84,183.04 : 126,235.68 = 31,554.88 : x - Step 2: Convert to fraction form
84,183.04/126,235.68 = 31,554.88/x - Step 3: Cross multiply
84,183.04x = 126,235.68 × 31,554.88 - Step 4: Simplify right side
84,183.04x = 3,983,351,734.12 - Step 5: Solve for x
x = 3,983,351,734.12/84,183.04 - Step 6: Final answer
x = 47,317.75
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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.