Finding the Fourth Proportional to 73,720.60, 110,588.09 and 29,336.99
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Solution
The fourth proportional to 73,720.60, 110,588.09 and 29,336.99 is: 44,008.34
Step by Step Solution
- Step 1: Write the proportion equation
73,720.60 : 110,588.09 = 29,336.99 : x - Step 2: Convert to fraction form
73,720.60/110,588.09 = 29,336.99/x - Step 3: Cross multiply
73,720.60x = 110,588.09 × 29,336.99 - Step 4: Simplify right side
73,720.60x = 3,244,320,990.82 - Step 5: Solve for x
x = 3,244,320,990.82/73,720.60 - Step 6: Final answer
x = 44,008.34
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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.