Finding the Fourth Proportional to 96,756.79, 133,544.02 and 55,922.65
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Solution
The fourth proportional to 96,756.79, 133,544.02 and 55,922.65 is: 77,184.62
Step by Step Solution
- Step 1: Write the proportion equation
96,756.79 : 133,544.02 = 55,922.65 : x - Step 2: Convert to fraction form
96,756.79/133,544.02 = 55,922.65/x - Step 3: Cross multiply
96,756.79x = 133,544.02 × 55,922.65 - Step 4: Simplify right side
96,756.79x = 7,468,135,490.05 - Step 5: Solve for x
x = 7,468,135,490.05/96,756.79 - Step 6: Final answer
x = 77,184.62
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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.