Finding the Fourth Proportional to 68,718.26, 94,888.98 and 51,692.99
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Solution
The fourth proportional to 68,718.26, 94,888.98 and 51,692.99 is: 71,379.79
Step by Step Solution
- Step 1: Write the proportion equation
68,718.26 : 94,888.98 = 51,692.99 : x - Step 2: Convert to fraction form
68,718.26/94,888.98 = 51,692.99/x - Step 3: Cross multiply
68,718.26x = 94,888.98 × 51,692.99 - Step 4: Simplify right side
68,718.26x = 4,905,094,619.81 - Step 5: Solve for x
x = 4,905,094,619.81/68,718.26 - Step 6: Final answer
x = 71,379.79
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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.