Finding the Fourth Proportional to 79,713.74, 119,578.71 and 27,126.92
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Solution
The fourth proportional to 79,713.74, 119,578.71 and 27,126.92 is: 40,693.14
Step by Step Solution
- Step 1: Write the proportion equation
79,713.74 : 119,578.71 = 27,126.92 : x - Step 2: Convert to fraction form
79,713.74/119,578.71 = 27,126.92/x - Step 3: Cross multiply
79,713.74x = 119,578.71 × 27,126.92 - Step 4: Simplify right side
79,713.74x = 3,243,802,099.87 - Step 5: Solve for x
x = 3,243,802,099.87/79,713.74 - Step 6: Final answer
x = 40,693.14
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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.