Finding the Fourth Proportional to 84,405.08, 116,474.66 and 46,157.18
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Solution
The fourth proportional to 84,405.08, 116,474.66 and 46,157.18 is: 63,694.53
Step by Step Solution
- Step 1: Write the proportion equation
84,405.08 : 116,474.66 = 46,157.18 : x - Step 2: Convert to fraction form
84,405.08/116,474.66 = 46,157.18/x - Step 3: Cross multiply
84,405.08x = 116,474.66 × 46,157.18 - Step 4: Simplify right side
84,405.08x = 5,376,141,847.06 - Step 5: Solve for x
x = 5,376,141,847.06/84,405.08 - Step 6: Final answer
x = 63,694.53
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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.