Finding the Fourth Proportional to 75,590.48, 104,279.96 and 48,741.61
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Solution
The fourth proportional to 75,590.48, 104,279.96 and 48,741.61 is: 67,240.92
Step by Step Solution
- Step 1: Write the proportion equation
75,590.48 : 104,279.96 = 48,741.61 : x - Step 2: Convert to fraction form
75,590.48/104,279.96 = 48,741.61/x - Step 3: Cross multiply
75,590.48x = 104,279.96 × 48,741.61 - Step 4: Simplify right side
75,590.48x = 5,082,773,141.14 - Step 5: Solve for x
x = 5,082,773,141.14/75,590.48 - Step 6: Final answer
x = 67,240.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.