Finding the Fourth Proportional to 96,643.62, 133,369.68 and 58,397.82
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Solution
The fourth proportional to 96,643.62, 133,369.68 and 58,397.82 is: 80,589.89
Step by Step Solution
- Step 1: Write the proportion equation
96,643.62 : 133,369.68 = 58,397.82 : x - Step 2: Convert to fraction form
96,643.62/133,369.68 = 58,397.82/x - Step 3: Cross multiply
96,643.62x = 133,369.68 × 58,397.82 - Step 4: Simplify right side
96,643.62x = 7,788,498,566.10 - Step 5: Solve for x
x = 7,788,498,566.10/96,643.62 - Step 6: Final answer
x = 80,589.89
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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.