Finding the Fourth Proportional to 75,458.13, 104,132.21 and 41,924.13
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Solution
The fourth proportional to 75,458.13, 104,132.21 and 41,924.13 is: 57,855.29
Step by Step Solution
- Step 1: Write the proportion equation
75,458.13 : 104,132.21 = 41,924.13 : x - Step 2: Convert to fraction form
75,458.13/104,132.21 = 41,924.13/x - Step 3: Cross multiply
75,458.13x = 104,132.21 × 41,924.13 - Step 4: Simplify right side
75,458.13x = 4,365,652,309.23 - Step 5: Solve for x
x = 4,365,652,309.23/75,458.13 - Step 6: Final answer
x = 57,855.29
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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.