Finding the Fourth Proportional to 106,596.92, 159,914.88 and 53,316.80
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Solution
The fourth proportional to 106,596.92, 159,914.88 and 53,316.80 is: 79,984.95
Step by Step Solution
- Step 1: Write the proportion equation
106,596.92 : 159,914.88 = 53,316.80 : x - Step 2: Convert to fraction form
106,596.92/159,914.88 = 53,316.80/x - Step 3: Cross multiply
106,596.92x = 159,914.88 × 53,316.80 - Step 4: Simplify right side
106,596.92x = 8,526,149,673.98 - Step 5: Solve for x
x = 8,526,149,673.98/106,596.92 - Step 6: Final answer
x = 79,984.95
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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.