Finding the Fourth Proportional to 75,694.74, 104,458.80 and 43,882.08
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Solution
The fourth proportional to 75,694.74, 104,458.80 and 43,882.08 is: 60,557.30
Step by Step Solution
- Step 1: Write the proportion equation
75,694.74 : 104,458.80 = 43,882.08 : x - Step 2: Convert to fraction form
75,694.74/104,458.80 = 43,882.08/x - Step 3: Cross multiply
75,694.74x = 104,458.80 × 43,882.08 - Step 4: Simplify right side
75,694.74x = 4,583,869,418.30 - Step 5: Solve for x
x = 4,583,869,418.30/75,694.74 - Step 6: Final answer
x = 60,557.30
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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.