Finding the Fourth Proportional to 96,396.99, 133,027.80 and 53,955.51
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Solution
The fourth proportional to 96,396.99, 133,027.80 and 53,955.51 is: 74,458.58
Step by Step Solution
- Step 1: Write the proportion equation
96,396.99 : 133,027.80 = 53,955.51 : x - Step 2: Convert to fraction form
96,396.99/133,027.80 = 53,955.51/x - Step 3: Cross multiply
96,396.99x = 133,027.80 × 53,955.51 - Step 4: Simplify right side
96,396.99x = 7,177,582,793.18 - Step 5: Solve for x
x = 7,177,582,793.18/96,396.99 - Step 6: Final answer
x = 74,458.58
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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.