Finding the Fourth Proportional to 79,632.80, 119,436.12 and 29,699.84
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Solution
The fourth proportional to 79,632.80, 119,436.12 and 29,699.84 is: 44,544.88
Step by Step Solution
- Step 1: Write the proportion equation
79,632.80 : 119,436.12 = 29,699.84 : x - Step 2: Convert to fraction form
79,632.80/119,436.12 = 29,699.84/x - Step 3: Cross multiply
79,632.80x = 119,436.12 × 29,699.84 - Step 4: Simplify right side
79,632.80x = 3,547,233,654.22 - Step 5: Solve for x
x = 3,547,233,654.22/79,632.80 - Step 6: Final answer
x = 44,544.88
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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.