Finding the Fourth Proportional to 77,740.10, 116,634.81 and 27,819.09
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Solution
The fourth proportional to 77,740.10, 116,634.81 and 27,819.09 is: 41,737.46
Step by Step Solution
- Step 1: Write the proportion equation
77,740.10 : 116,634.81 = 27,819.09 : x - Step 2: Convert to fraction form
77,740.10/116,634.81 = 27,819.09/x - Step 3: Cross multiply
77,740.10x = 116,634.81 × 27,819.09 - Step 4: Simplify right side
77,740.10x = 3,244,674,713.90 - Step 5: Solve for x
x = 3,244,674,713.90/77,740.10 - Step 6: Final answer
x = 41,737.46
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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.