Finding the Fourth Proportional to 96,934.48, 133,759.35 and 53,906.99
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Solution
The fourth proportional to 96,934.48, 133,759.35 and 53,906.99 is: 74,385.95
Step by Step Solution
- Step 1: Write the proportion equation
96,934.48 : 133,759.35 = 53,906.99 : x - Step 2: Convert to fraction form
96,934.48/133,759.35 = 53,906.99/x - Step 3: Cross multiply
96,934.48x = 133,759.35 × 53,906.99 - Step 4: Simplify right side
96,934.48x = 7,210,563,274.06 - Step 5: Solve for x
x = 7,210,563,274.06/96,934.48 - Step 6: Final answer
x = 74,385.95
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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.