Finding the Fourth Proportional to 104,183.45, 143,773.01 and 56,436.99
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Solution
The fourth proportional to 104,183.45, 143,773.01 and 56,436.99 is: 77,882.96
Step by Step Solution
- Step 1: Write the proportion equation
104,183.45 : 143,773.01 = 56,436.99 : x - Step 2: Convert to fraction form
104,183.45/143,773.01 = 56,436.99/x - Step 3: Cross multiply
104,183.45x = 143,773.01 × 56,436.99 - Step 4: Simplify right side
104,183.45x = 8,114,115,317.94 - Step 5: Solve for x
x = 8,114,115,317.94/104,183.45 - Step 6: Final answer
x = 77,882.96
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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.