Finding the Fourth Proportional to 96,285.95, 132,908.02 and 66,170.96
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Solution
The fourth proportional to 96,285.95, 132,908.02 and 66,170.96 is: 91,338.88
Step by Step Solution
- Step 1: Write the proportion equation
96,285.95 : 132,908.02 = 66,170.96 : x - Step 2: Convert to fraction form
96,285.95/132,908.02 = 66,170.96/x - Step 3: Cross multiply
96,285.95x = 132,908.02 × 66,170.96 - Step 4: Simplify right side
96,285.95x = 8,794,650,944.24 - Step 5: Solve for x
x = 8,794,650,944.24/96,285.95 - Step 6: Final answer
x = 91,338.88
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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.