Finding the Fourth Proportional to 79,768.55, 119,699.33 and 29,883.69
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Solution
The fourth proportional to 79,768.55, 119,699.33 and 29,883.69 is: 44,842.96
Step by Step Solution
- Step 1: Write the proportion equation
79,768.55 : 119,699.33 = 29,883.69 : x - Step 2: Convert to fraction form
79,768.55/119,699.33 = 29,883.69/x - Step 3: Cross multiply
79,768.55x = 119,699.33 × 29,883.69 - Step 4: Simplify right side
79,768.55x = 3,577,057,521.51 - Step 5: Solve for x
x = 3,577,057,521.51/79,768.55 - Step 6: Final answer
x = 44,842.96
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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.