Finding the Fourth Proportional to 84,958.36, 117,242.68 and 47,232.64
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Solution
The fourth proportional to 84,958.36, 117,242.68 and 47,232.64 is: 65,181.12
Step by Step Solution
- Step 1: Write the proportion equation
84,958.36 : 117,242.68 = 47,232.64 : x - Step 2: Convert to fraction form
84,958.36/117,242.68 = 47,232.64/x - Step 3: Cross multiply
84,958.36x = 117,242.68 × 47,232.64 - Step 4: Simplify right side
84,958.36x = 5,537,681,297.08 - Step 5: Solve for x
x = 5,537,681,297.08/84,958.36 - Step 6: Final answer
x = 65,181.12
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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.