Finding the Fourth Proportional to 84,052.53, 115,832.97 and 60,137.55
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Solution
The fourth proportional to 84,052.53, 115,832.97 and 60,137.55 is: 82,875.69
Step by Step Solution
- Step 1: Write the proportion equation
84,052.53 : 115,832.97 = 60,137.55 : x - Step 2: Convert to fraction form
84,052.53/115,832.97 = 60,137.55/x - Step 3: Cross multiply
84,052.53x = 115,832.97 × 60,137.55 - Step 4: Simplify right side
84,052.53x = 6,965,911,025.02 - Step 5: Solve for x
x = 6,965,911,025.02/84,052.53 - Step 6: Final answer
x = 82,875.69
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1.5x scale
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.