Finding the Fourth Proportional to 83,894.28, 115,771.26 and 46,168.44
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Solution
The fourth proportional to 83,894.28, 115,771.26 and 46,168.44 is: 63,710.88
Step by Step Solution
- Step 1: Write the proportion equation
83,894.28 : 115,771.26 = 46,168.44 : x - Step 2: Convert to fraction form
83,894.28/115,771.26 = 46,168.44/x - Step 3: Cross multiply
83,894.28x = 115,771.26 × 46,168.44 - Step 4: Simplify right side
83,894.28x = 5,344,978,471.03 - Step 5: Solve for x
x = 5,344,978,471.03/83,894.28 - Step 6: Final answer
x = 63,710.88
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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.