Finding the Fourth Proportional to 96,923.96, 133,755.80 and 53,904.05
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Solution
The fourth proportional to 96,923.96, 133,755.80 and 53,904.05 is: 74,388.00
Step by Step Solution
- Step 1: Write the proportion equation
96,923.96 : 133,755.80 = 53,904.05 : x - Step 2: Convert to fraction form
96,923.96/133,755.80 = 53,904.05/x - Step 3: Cross multiply
96,923.96x = 133,755.80 × 53,904.05 - Step 4: Simplify right side
96,923.96x = 7,209,979,330.99 - Step 5: Solve for x
x = 7,209,979,330.99/96,923.96 - Step 6: Final answer
x = 74,388.00
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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.