Finding the Fourth Proportional to 75,413.91, 104,059.62 and 43,576.65
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Solution
The fourth proportional to 75,413.91, 104,059.62 and 43,576.65 is: 60,129.09
Step by Step Solution
- Step 1: Write the proportion equation
75,413.91 : 104,059.62 = 43,576.65 : x - Step 2: Convert to fraction form
75,413.91/104,059.62 = 43,576.65/x - Step 3: Cross multiply
75,413.91x = 104,059.62 × 43,576.65 - Step 4: Simplify right side
75,413.91x = 4,534,569,639.87 - Step 5: Solve for x
x = 4,534,569,639.87/75,413.91 - Step 6: Final answer
x = 60,129.09
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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.