Finding the Fourth Proportional to 84,055.24, 115,958.82 and 48,236.68
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Solution
The fourth proportional to 84,055.24, 115,958.82 and 48,236.68 is: 66,545.15
Step by Step Solution
- Step 1: Write the proportion equation
84,055.24 : 115,958.82 = 48,236.68 : x - Step 2: Convert to fraction form
84,055.24/115,958.82 = 48,236.68/x - Step 3: Cross multiply
84,055.24x = 115,958.82 × 48,236.68 - Step 4: Simplify right side
84,055.24x = 5,593,468,493.52 - Step 5: Solve for x
x = 5,593,468,493.52/84,055.24 - Step 6: Final answer
x = 66,545.15
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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.