Finding the Fourth Proportional to 123,531.62, 170,473.63 and 66,943.00
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Solution
The fourth proportional to 123,531.62, 170,473.63 and 66,943.00 is: 92,381.33
Step by Step Solution
- Step 1: Write the proportion equation
123,531.62 : 170,473.63 = 66,943.00 : x - Step 2: Convert to fraction form
123,531.62/170,473.63 = 66,943.00/x - Step 3: Cross multiply
123,531.62x = 170,473.63 × 66,943.00 - Step 4: Simplify right side
123,531.62x = 11,412,015,026.01 - Step 5: Solve for x
x = 11,412,015,026.01/123,531.62 - Step 6: Final answer
x = 92,381.33
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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.