Finding the Fourth Proportional to 107,687.78, 161,542.72 and 41,183.84
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Solution
The fourth proportional to 107,687.78, 161,542.72 and 41,183.84 is: 61,779.99
Step by Step Solution
- Step 1: Write the proportion equation
107,687.78 : 161,542.72 = 41,183.84 : x - Step 2: Convert to fraction form
107,687.78/161,542.72 = 41,183.84/x - Step 3: Cross multiply
107,687.78x = 161,542.72 × 41,183.84 - Step 4: Simplify right side
107,687.78x = 6,652,949,815.24 - Step 5: Solve for x
x = 6,652,949,815.24/107,687.78 - Step 6: Final answer
x = 61,779.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.