Finding the Fourth Proportional to 77,586.70, 107,069.74 and 44,052.70
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Solution
The fourth proportional to 77,586.70, 107,069.74 and 44,052.70 is: 60,792.78
Step by Step Solution
- Step 1: Write the proportion equation
77,586.70 : 107,069.74 = 44,052.70 : x - Step 2: Convert to fraction form
77,586.70/107,069.74 = 44,052.70/x - Step 3: Cross multiply
77,586.70x = 107,069.74 × 44,052.70 - Step 4: Simplify right side
77,586.70x = 4,716,711,135.30 - Step 5: Solve for x
x = 4,716,711,135.30/77,586.70 - Step 6: Final answer
x = 60,792.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.