Finding the Fourth Proportional to 84,961.36, 117,252.84 and 50,971.32
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Solution
The fourth proportional to 84,961.36, 117,252.84 and 50,971.32 is: 70,344.12
Step by Step Solution
- Step 1: Write the proportion equation
84,961.36 : 117,252.84 = 50,971.32 : x - Step 2: Convert to fraction form
84,961.36/117,252.84 = 50,971.32/x - Step 3: Cross multiply
84,961.36x = 117,252.84 × 50,971.32 - Step 4: Simplify right side
84,961.36x = 5,976,532,028.55 - Step 5: Solve for x
x = 5,976,532,028.55/84,961.36 - Step 6: Final answer
x = 70,344.12
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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.