Finding the Fourth Proportional to 96,221.10, 132,779.75 and 53,198.09
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Solution
The fourth proportional to 96,221.10, 132,779.75 and 53,198.09 is: 73,410.39
Step by Step Solution
- Step 1: Write the proportion equation
96,221.10 : 132,779.75 = 53,198.09 : x - Step 2: Convert to fraction form
96,221.10/132,779.75 = 53,198.09/x - Step 3: Cross multiply
96,221.10x = 132,779.75 × 53,198.09 - Step 4: Simplify right side
96,221.10x = 7,063,628,160.79 - Step 5: Solve for x
x = 7,063,628,160.79/96,221.10 - Step 6: Final answer
x = 73,410.39
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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.