Finding the Fourth Proportional to 120,991.24, 181,495.50 and 32,244.28
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Solution
The fourth proportional to 120,991.24, 181,495.50 and 32,244.28 is: 48,368.72
Step by Step Solution
- Step 1: Write the proportion equation
120,991.24 : 181,495.50 = 32,244.28 : x - Step 2: Convert to fraction form
120,991.24/181,495.50 = 32,244.28/x - Step 3: Cross multiply
120,991.24x = 181,495.50 × 32,244.28 - Step 4: Simplify right side
120,991.24x = 5,852,191,720.74 - Step 5: Solve for x
x = 5,852,191,720.74/120,991.24 - Step 6: Final answer
x = 48,368.72
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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.