Finding the Fourth Proportional to 75,413.48, 113,136.48 and 22,109.84
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Solution
The fourth proportional to 75,413.48, 113,136.48 and 22,109.84 is: 33,169.53
Step by Step Solution
- Step 1: Write the proportion equation
75,413.48 : 113,136.48 = 22,109.84 : x - Step 2: Convert to fraction form
75,413.48/113,136.48 = 22,109.84/x - Step 3: Cross multiply
75,413.48x = 113,136.48 × 22,109.84 - Step 4: Simplify right side
75,413.48x = 2,501,429,470.96 - Step 5: Solve for x
x = 2,501,429,470.96/75,413.48 - Step 6: Final answer
x = 33,169.53
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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.