Finding the Fourth Proportional to 71,786.16, 107,696.28 and 24,404.40
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Solution
The fourth proportional to 71,786.16, 107,696.28 and 24,404.40 is: 36,612.39
Step by Step Solution
- Step 1: Write the proportion equation
71,786.16 : 107,696.28 = 24,404.40 : x - Step 2: Convert to fraction form
71,786.16/107,696.28 = 24,404.40/x - Step 3: Cross multiply
71,786.16x = 107,696.28 × 24,404.40 - Step 4: Simplify right side
71,786.16x = 2,628,263,095.63 - Step 5: Solve for x
x = 2,628,263,095.63/71,786.16 - Step 6: Final answer
x = 36,612.39
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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.