Finding the Fourth Proportional to 86,529.96, 129,802.23 and 27,364.32
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Solution
The fourth proportional to 86,529.96, 129,802.23 and 27,364.32 is: 41,048.79
Step by Step Solution
- Step 1: Write the proportion equation
86,529.96 : 129,802.23 = 27,364.32 : x - Step 2: Convert to fraction form
86,529.96/129,802.23 = 27,364.32/x - Step 3: Cross multiply
86,529.96x = 129,802.23 × 27,364.32 - Step 4: Simplify right side
86,529.96x = 3,551,949,758.43 - Step 5: Solve for x
x = 3,551,949,758.43/86,529.96 - Step 6: Final answer
x = 41,048.79
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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.