Finding the Fourth Proportional to 84,591.36, 126,888.48 and 32,025.60
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Solution
The fourth proportional to 84,591.36, 126,888.48 and 32,025.60 is: 48,038.95
Step by Step Solution
- Step 1: Write the proportion equation
84,591.36 : 126,888.48 = 32,025.60 : x - Step 2: Convert to fraction form
84,591.36/126,888.48 = 32,025.60/x - Step 3: Cross multiply
84,591.36x = 126,888.48 × 32,025.60 - Step 4: Simplify right side
84,591.36x = 4,063,679,705.09 - Step 5: Solve for x
x = 4,063,679,705.09/84,591.36 - Step 6: Final answer
x = 48,038.95
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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.