Finding the Fourth Proportional to 71,912.79, 107,726.79 and 33,910.02
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Solution
The fourth proportional to 71,912.79, 107,726.79 and 33,910.02 is: 50,797.88
Step by Step Solution
- Step 1: Write the proportion equation
71,912.79 : 107,726.79 = 33,910.02 : x - Step 2: Convert to fraction form
71,912.79/107,726.79 = 33,910.02/x - Step 3: Cross multiply
71,912.79x = 107,726.79 × 33,910.02 - Step 4: Simplify right side
71,912.79x = 3,653,017,603.44 - Step 5: Solve for x
x = 3,653,017,603.44/71,912.79 - Step 6: Final answer
x = 50,797.88
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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.