Finding the Fourth Proportional to 79,660.80, 119,523.60 and 32,918.40
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Solution
The fourth proportional to 79,660.80, 119,523.60 and 32,918.40 is: 49,390.99
Step by Step Solution
- Step 1: Write the proportion equation
79,660.80 : 119,523.60 = 32,918.40 : x - Step 2: Convert to fraction form
79,660.80/119,523.60 = 32,918.40/x - Step 3: Cross multiply
79,660.80x = 119,523.60 × 32,918.40 - Step 4: Simplify right side
79,660.80x = 3,934,525,674.24 - Step 5: Solve for x
x = 3,934,525,674.24/79,660.80 - Step 6: Final answer
x = 49,390.99
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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.