Finding the Fourth Proportional to 86,534.96, 129,809.73 and 27,369.32
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Solution
The fourth proportional to 86,534.96, 129,809.73 and 27,369.32 is: 41,056.29
Step by Step Solution
- Step 1: Write the proportion equation
86,534.96 : 129,809.73 = 27,369.32 : x - Step 2: Convert to fraction form
86,534.96/129,809.73 = 27,369.32/x - Step 3: Cross multiply
86,534.96x = 129,809.73 × 27,369.32 - Step 4: Simplify right side
86,534.96x = 3,552,804,039.48 - Step 5: Solve for x
x = 3,552,804,039.48/86,534.96 - Step 6: Final answer
x = 41,056.29
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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.