Finding the Fourth Proportional to 96,816.36, 145,239.33 and 49,405.62
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Solution
The fourth proportional to 96,816.36, 145,239.33 and 49,405.62 is: 74,115.98
Step by Step Solution
- Step 1: Write the proportion equation
96,816.36 : 145,239.33 = 49,405.62 : x - Step 2: Convert to fraction form
96,816.36/145,239.33 = 49,405.62/x - Step 3: Cross multiply
96,816.36x = 145,239.33 × 49,405.62 - Step 4: Simplify right side
96,816.36x = 7,175,639,147.03 - Step 5: Solve for x
x = 7,175,639,147.03/96,816.36 - Step 6: Final answer
x = 74,115.98
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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.