Finding the Fourth Proportional to 73,742.24, 110,457.84 and 50,064.32
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Solution
The fourth proportional to 73,742.24, 110,457.84 and 50,064.32 is: 74,990.90
Step by Step Solution
- Step 1: Write the proportion equation
73,742.24 : 110,457.84 = 50,064.32 : x - Step 2: Convert to fraction form
73,742.24/110,457.84 = 50,064.32/x - Step 3: Cross multiply
73,742.24x = 110,457.84 × 50,064.32 - Step 4: Simplify right side
73,742.24x = 5,529,996,648.27 - Step 5: Solve for x
x = 5,529,996,648.27/73,742.24 - Step 6: Final answer
x = 74,990.90
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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.