Finding the Fourth Proportional to 75,326.18, 103,946.64 and 41,333.82
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Solution
The fourth proportional to 75,326.18, 103,946.64 and 41,333.82 is: 57,038.76
Step by Step Solution
- Step 1: Write the proportion equation
75,326.18 : 103,946.64 = 41,333.82 : x - Step 2: Convert to fraction form
75,326.18/103,946.64 = 41,333.82/x - Step 3: Cross multiply
75,326.18x = 103,946.64 × 41,333.82 - Step 4: Simplify right side
75,326.18x = 4,296,511,707.36 - Step 5: Solve for x
x = 4,296,511,707.36/75,326.18 - Step 6: Final answer
x = 57,038.76
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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.