Finding the Fourth Proportional to 96,599.36, 133,107.36 and 77,660.48
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Solution
The fourth proportional to 96,599.36, 133,107.36 and 77,660.48 is: 107,010.87
Step by Step Solution
- Step 1: Write the proportion equation
96,599.36 : 133,107.36 = 77,660.48 : x - Step 2: Convert to fraction form
96,599.36/133,107.36 = 77,660.48/x - Step 3: Cross multiply
96,599.36x = 133,107.36 × 77,660.48 - Step 4: Simplify right side
96,599.36x = 10,337,181,469.13 - Step 5: Solve for x
x = 10,337,181,469.13/96,599.36 - Step 6: Final answer
x = 107,010.87
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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.