Finding the Fourth Proportional to 84,752.75, 127,079.90 and 32,133.53
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Solution
The fourth proportional to 84,752.75, 127,079.90 and 32,133.53 is: 48,181.63
Step by Step Solution
- Step 1: Write the proportion equation
84,752.75 : 127,079.90 = 32,133.53 : x - Step 2: Convert to fraction form
84,752.75/127,079.90 = 32,133.53/x - Step 3: Cross multiply
84,752.75x = 127,079.90 × 32,133.53 - Step 4: Simplify right side
84,752.75x = 4,083,525,779.05 - Step 5: Solve for x
x = 4,083,525,779.05/84,752.75 - Step 6: Final answer
x = 48,181.63
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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.