Finding the Fourth Proportional to 96,964.16, 133,809.63 and 54,522.99
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Solution
The fourth proportional to 96,964.16, 133,809.63 and 54,522.99 is: 75,241.22
Step by Step Solution
- Step 1: Write the proportion equation
96,964.16 : 133,809.63 = 54,522.99 : x - Step 2: Convert to fraction form
96,964.16/133,809.63 = 54,522.99/x - Step 3: Cross multiply
96,964.16x = 133,809.63 × 54,522.99 - Step 4: Simplify right side
96,964.16x = 7,295,701,118.39 - Step 5: Solve for x
x = 7,295,701,118.39/96,964.16 - Step 6: Final answer
x = 75,241.22
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.