Finding the Fourth Proportional to 75,439.26, 104,106.30 and 41,905.26
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Solution
The fourth proportional to 75,439.26, 104,106.30 and 41,905.26 is: 57,829.33
Step by Step Solution
- Step 1: Write the proportion equation
75,439.26 : 104,106.30 = 41,905.26 : x - Step 2: Convert to fraction form
75,439.26/104,106.30 = 41,905.26/x - Step 3: Cross multiply
75,439.26x = 104,106.30 × 41,905.26 - Step 4: Simplify right side
75,439.26x = 4,362,601,569.14 - Step 5: Solve for x
x = 4,362,601,569.14/75,439.26 - Step 6: Final answer
x = 57,829.33
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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.