Finding the Fourth Proportional to 84,963.36, 117,249.58 and 47,237.64
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Solution
The fourth proportional to 84,963.36, 117,249.58 and 47,237.64 is: 65,188.02
Step by Step Solution
- Step 1: Write the proportion equation
84,963.36 : 117,249.58 = 47,237.64 : x - Step 2: Convert to fraction form
84,963.36/117,249.58 = 47,237.64/x - Step 3: Cross multiply
84,963.36x = 117,249.58 × 47,237.64 - Step 4: Simplify right side
84,963.36x = 5,538,593,450.19 - Step 5: Solve for x
x = 5,538,593,450.19/84,963.36 - Step 6: Final answer
x = 65,188.02
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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.