Finding the Fourth Proportional to 96,889.88, 133,704.32 and 53,871.99
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Solution
The fourth proportional to 96,889.88, 133,704.32 and 53,871.99 is: 74,341.28
Step by Step Solution
- Step 1: Write the proportion equation
96,889.88 : 133,704.32 = 53,871.99 : x - Step 2: Convert to fraction form
96,889.88/133,704.32 = 53,871.99/x - Step 3: Cross multiply
96,889.88x = 133,704.32 × 53,871.99 - Step 4: Simplify right side
96,889.88x = 7,202,917,520.64 - Step 5: Solve for x
x = 7,202,917,520.64/96,889.88 - Step 6: Final answer
x = 74,341.28
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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.