Finding the Fourth Proportional to 74,685.97, 112,016.94 and 24,764.05
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Solution
The fourth proportional to 74,685.97, 112,016.94 and 24,764.05 is: 37,142.09
Step by Step Solution
- Step 1: Write the proportion equation
74,685.97 : 112,016.94 = 24,764.05 : x - Step 2: Convert to fraction form
74,685.97/112,016.94 = 24,764.05/x - Step 3: Cross multiply
74,685.97x = 112,016.94 × 24,764.05 - Step 4: Simplify right side
74,685.97x = 2,773,993,103.01 - Step 5: Solve for x
x = 2,773,993,103.01/74,685.97 - Step 6: Final answer
x = 37,142.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.