Finding the Fourth Proportional to 96,808.38, 145,103.73 and 49,290.09
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Solution
The fourth proportional to 96,808.38, 145,103.73 and 49,290.09 is: 73,879.72
Step by Step Solution
- Step 1: Write the proportion equation
96,808.38 : 145,103.73 = 49,290.09 : x - Step 2: Convert to fraction form
96,808.38/145,103.73 = 49,290.09/x - Step 3: Cross multiply
96,808.38x = 145,103.73 × 49,290.09 - Step 4: Simplify right side
96,808.38x = 7,152,175,911.04 - Step 5: Solve for x
x = 7,152,175,911.04/96,808.38 - Step 6: Final answer
x = 73,879.72
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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.