Finding the Fourth Proportional to 86,519.36, 119,396.52 and 48,276.56
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Solution
The fourth proportional to 86,519.36, 119,396.52 and 48,276.56 is: 66,621.54
Step by Step Solution
- Step 1: Write the proportion equation
86,519.36 : 119,396.52 = 48,276.56 : x - Step 2: Convert to fraction form
86,519.36/119,396.52 = 48,276.56/x - Step 3: Cross multiply
86,519.36x = 119,396.52 × 48,276.56 - Step 4: Simplify right side
86,519.36x = 5,764,053,560.06 - Step 5: Solve for x
x = 5,764,053,560.06/86,519.36 - Step 6: Final answer
x = 66,621.54
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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.