Finding the Fourth Proportional to 79,748.13, 119,618.21 and 29,824.56
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Solution
The fourth proportional to 79,748.13, 119,618.21 and 29,824.56 is: 44,735.35
Step by Step Solution
- Step 1: Write the proportion equation
79,748.13 : 119,618.21 = 29,824.56 : x - Step 2: Convert to fraction form
79,748.13/119,618.21 = 29,824.56/x - Step 3: Cross multiply
79,748.13x = 119,618.21 × 29,824.56 - Step 4: Simplify right side
79,748.13x = 3,567,560,481.24 - Step 5: Solve for x
x = 3,567,560,481.24/79,748.13 - Step 6: Final answer
x = 44,735.35
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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.