Finding the Fourth Proportional to 79,924.20, 110,227.68 and 48,087.15
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Solution
The fourth proportional to 79,924.20, 110,227.68 and 48,087.15 is: 66,319.53
Step by Step Solution
- Step 1: Write the proportion equation
79,924.20 : 110,227.68 = 48,087.15 : x - Step 2: Convert to fraction form
79,924.20/110,227.68 = 48,087.15/x - Step 3: Cross multiply
79,924.20x = 110,227.68 × 48,087.15 - Step 4: Simplify right side
79,924.20x = 5,300,534,982.31 - Step 5: Solve for x
x = 5,300,534,982.31/79,924.20 - Step 6: Final answer
x = 66,319.53
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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.