Finding the Fourth Proportional to 84,163.31, 116,147.80 and 46,439.99
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Solution
The fourth proportional to 84,163.31, 116,147.80 and 46,439.99 is: 64,088.53
Step by Step Solution
- Step 1: Write the proportion equation
84,163.31 : 116,147.80 = 46,439.99 : x - Step 2: Convert to fraction form
84,163.31/116,147.80 = 46,439.99/x - Step 3: Cross multiply
84,163.31x = 116,147.80 × 46,439.99 - Step 4: Simplify right side
84,163.31x = 5,393,903,018.94 - Step 5: Solve for x
x = 5,393,903,018.94/84,163.31 - Step 6: Final answer
x = 64,088.53
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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.