Finding the Fourth Proportional to 84,570.88, 126,868.17 and 34,658.08
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Solution
The fourth proportional to 84,570.88, 126,868.17 and 34,658.08 is: 51,991.98
Step by Step Solution
- Step 1: Write the proportion equation
84,570.88 : 126,868.17 = 34,658.08 : x - Step 2: Convert to fraction form
84,570.88/126,868.17 = 34,658.08/x - Step 3: Cross multiply
84,570.88x = 126,868.17 × 34,658.08 - Step 4: Simplify right side
84,570.88x = 4,397,007,185.31 - Step 5: Solve for x
x = 4,397,007,185.31/84,570.88 - Step 6: Final answer
x = 51,991.98
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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.