Finding the Fourth Proportional to 73,636.80, 110,394.72 and 29,244.48
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Solution
The fourth proportional to 73,636.80, 110,394.72 and 29,244.48 is: 43,842.70
Step by Step Solution
- Step 1: Write the proportion equation
73,636.80 : 110,394.72 = 29,244.48 : x - Step 2: Convert to fraction form
73,636.80/110,394.72 = 29,244.48/x - Step 3: Cross multiply
73,636.80x = 110,394.72 × 29,244.48 - Step 4: Simplify right side
73,636.80x = 3,228,436,181.15 - Step 5: Solve for x
x = 3,228,436,181.15/73,636.80 - Step 6: Final answer
x = 43,842.70
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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.