Finding the Fourth Proportional to 96,692.70, 133,434.92 and 53,672.58
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Solution
The fourth proportional to 96,692.70, 133,434.92 and 53,672.58 is: 74,067.60
Step by Step Solution
- Step 1: Write the proportion equation
96,692.70 : 133,434.92 = 53,672.58 : x - Step 2: Convert to fraction form
96,692.70/133,434.92 = 53,672.58/x - Step 3: Cross multiply
96,692.70x = 133,434.92 × 53,672.58 - Step 4: Simplify right side
96,692.70x = 7,161,796,150.13 - Step 5: Solve for x
x = 7,161,796,150.13/96,692.70 - Step 6: Final answer
x = 74,067.60
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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.