Finding the Fourth Proportional to 79,740.99, 119,529.41 and 35,388.63
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Solution
The fourth proportional to 79,740.99, 119,529.41 and 35,388.63 is: 53,046.52
Step by Step Solution
- Step 1: Write the proportion equation
79,740.99 : 119,529.41 = 35,388.63 : x - Step 2: Convert to fraction form
79,740.99/119,529.41 = 35,388.63/x - Step 3: Cross multiply
79,740.99x = 119,529.41 × 35,388.63 - Step 4: Simplify right side
79,740.99x = 4,229,981,887.67 - Step 5: Solve for x
x = 4,229,981,887.67/79,740.99 - Step 6: Final answer
x = 53,046.52
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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.