Finding the Fourth Proportional to 84,413.92, 126,574.13 and 34,529.05
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Solution
The fourth proportional to 84,413.92, 126,574.13 and 34,529.05 is: 51,774.45
Step by Step Solution
- Step 1: Write the proportion equation
84,413.92 : 126,574.13 = 34,529.05 : x - Step 2: Convert to fraction form
84,413.92/126,574.13 = 34,529.05/x - Step 3: Cross multiply
84,413.92x = 126,574.13 × 34,529.05 - Step 4: Simplify right side
84,413.92x = 4,370,483,996.04 - Step 5: Solve for x
x = 4,370,483,996.04/84,413.92 - Step 6: Final answer
x = 51,774.45
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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.