Finding the Fourth Proportional to 79,924.33, 110,227.85 and 48,087.28
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Solution
The fourth proportional to 79,924.33, 110,227.85 and 48,087.28 is: 66,319.70
Step by Step Solution
- Step 1: Write the proportion equation
79,924.33 : 110,227.85 = 48,087.28 : x - Step 2: Convert to fraction form
79,924.33/110,227.85 = 48,087.28/x - Step 3: Cross multiply
79,924.33x = 110,227.85 × 48,087.28 - Step 4: Simplify right side
79,924.33x = 5,300,556,935.61 - Step 5: Solve for x
x = 5,300,556,935.61/79,924.33 - Step 6: Final answer
x = 66,319.70
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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.