Finding the Fourth Proportional to 84,639.36, 116,801.64 and 46,399.05
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Solution
The fourth proportional to 84,639.36, 116,801.64 and 46,399.05 is: 64,030.32
Step by Step Solution
- Step 1: Write the proportion equation
84,639.36 : 116,801.64 = 46,399.05 : x - Step 2: Convert to fraction form
84,639.36/116,801.64 = 46,399.05/x - Step 3: Cross multiply
84,639.36x = 116,801.64 × 46,399.05 - Step 4: Simplify right side
84,639.36x = 5,419,485,134.44 - Step 5: Solve for x
x = 5,419,485,134.44/84,639.36 - Step 6: Final answer
x = 64,030.32
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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.