Finding the Fourth Proportional to 73,859.18, 110,788.95 and 29,489.54
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Solution
The fourth proportional to 73,859.18, 110,788.95 and 29,489.54 is: 44,234.38
Step by Step Solution
- Step 1: Write the proportion equation
73,859.18 : 110,788.95 = 29,489.54 : x - Step 2: Convert to fraction form
73,859.18/110,788.95 = 29,489.54/x - Step 3: Cross multiply
73,859.18x = 110,788.95 × 29,489.54 - Step 4: Simplify right side
73,859.18x = 3,267,115,172.58 - Step 5: Solve for x
x = 3,267,115,172.58/73,859.18 - Step 6: Final answer
x = 44,234.38
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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.