Finding the Fourth Proportional to 96,991.44, 145,292.70 and 44,328.48
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Solution
The fourth proportional to 96,991.44, 145,292.70 and 44,328.48 is: 66,403.84
Step by Step Solution
- Step 1: Write the proportion equation
96,991.44 : 145,292.70 = 44,328.48 : x - Step 2: Convert to fraction form
96,991.44/145,292.70 = 44,328.48/x - Step 3: Cross multiply
96,991.44x = 145,292.70 × 44,328.48 - Step 4: Simplify right side
96,991.44x = 6,440,604,546.10 - Step 5: Solve for x
x = 6,440,604,546.10/96,991.44 - Step 6: Final answer
x = 66,403.84
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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.