Finding the Fourth Proportional to 86,634.08, 129,875.19 and 41,633.02
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Solution
The fourth proportional to 86,634.08, 129,875.19 and 41,633.02 is: 62,413.03
Step by Step Solution
- Step 1: Write the proportion equation
86,634.08 : 129,875.19 = 41,633.02 : x - Step 2: Convert to fraction form
86,634.08/129,875.19 = 41,633.02/x - Step 3: Cross multiply
86,634.08x = 129,875.19 × 41,633.02 - Step 4: Simplify right side
86,634.08x = 5,407,095,733.40 - Step 5: Solve for x
x = 5,407,095,733.40/86,634.08 - Step 6: Final answer
x = 62,413.03
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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.