Finding the Fourth Proportional to 79,635.84, 119,527.67 and 40,220.63
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Solution
The fourth proportional to 79,635.84, 119,527.67 and 40,220.63 is: 60,368.27
Step by Step Solution
- Step 1: Write the proportion equation
79,635.84 : 119,527.67 = 40,220.63 : x - Step 2: Convert to fraction form
79,635.84/119,527.67 = 40,220.63/x - Step 3: Cross multiply
79,635.84x = 119,527.67 × 40,220.63 - Step 4: Simplify right side
79,635.84x = 4,807,478,189.83 - Step 5: Solve for x
x = 4,807,478,189.83/79,635.84 - Step 6: Final answer
x = 60,368.27
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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.