Finding the Fourth Proportional to 79,544.66, 109,771.64 and 43,737.08
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Solution
The fourth proportional to 79,544.66, 109,771.64 and 43,737.08 is: 60,357.17
Step by Step Solution
- Step 1: Write the proportion equation
79,544.66 : 109,771.64 = 43,737.08 : x - Step 2: Convert to fraction form
79,544.66/109,771.64 = 43,737.08/x - Step 3: Cross multiply
79,544.66x = 109,771.64 × 43,737.08 - Step 4: Simplify right side
79,544.66x = 4,801,090,232.87 - Step 5: Solve for x
x = 4,801,090,232.87/79,544.66 - Step 6: Final answer
x = 60,357.17
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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.