Finding the Fourth Proportional to 79,974.81, 119,897.42 and 33,262.65
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Solution
The fourth proportional to 79,974.81, 119,897.42 and 33,262.65 is: 49,867.02
Step by Step Solution
- Step 1: Write the proportion equation
79,974.81 : 119,897.42 = 33,262.65 : x - Step 2: Convert to fraction form
79,974.81/119,897.42 = 33,262.65/x - Step 3: Cross multiply
79,974.81x = 119,897.42 × 33,262.65 - Step 4: Simplify right side
79,974.81x = 3,988,105,751.05 - Step 5: Solve for x
x = 3,988,105,751.05/79,974.81 - Step 6: Final answer
x = 49,867.02
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1.5x scale
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.