Finding the Fourth Proportional to 84,237.87, 116,245.20 and 46,511.31
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Solution
The fourth proportional to 84,237.87, 116,245.20 and 46,511.31 is: 64,183.92
Step by Step Solution
- Step 1: Write the proportion equation
84,237.87 : 116,245.20 = 46,511.31 : x - Step 2: Convert to fraction form
84,237.87/116,245.20 = 46,511.31/x - Step 3: Cross multiply
84,237.87x = 116,245.20 × 46,511.31 - Step 4: Simplify right side
84,237.87x = 5,406,716,533.21 - Step 5: Solve for x
x = 5,406,716,533.21/84,237.87 - Step 6: Final answer
x = 64,183.92
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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.