Finding the Fourth Proportional to 79,869.93, 119,769.92 and 29,914.98
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Solution
The fourth proportional to 79,869.93, 119,769.92 and 29,914.98 is: 44,859.37
Step by Step Solution
- Step 1: Write the proportion equation
79,869.93 : 119,769.92 = 29,914.98 : x - Step 2: Convert to fraction form
79,869.93/119,769.92 = 29,914.98/x - Step 3: Cross multiply
79,869.93x = 119,769.92 × 29,914.98 - Step 4: Simplify right side
79,869.93x = 3,582,914,611.83 - Step 5: Solve for x
x = 3,582,914,611.83/79,869.93 - Step 6: Final answer
x = 44,859.37
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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.