Finding the Fourth Proportional to 75,456.09, 104,132.03 and 41,467.68
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Solution
The fourth proportional to 75,456.09, 104,132.03 and 41,467.68 is: 57,226.84
Step by Step Solution
- Step 1: Write the proportion equation
75,456.09 : 104,132.03 = 41,467.68 : x - Step 2: Convert to fraction form
75,456.09/104,132.03 = 41,467.68/x - Step 3: Cross multiply
75,456.09x = 104,132.03 × 41,467.68 - Step 4: Simplify right side
75,456.09x = 4,318,113,723.71 - Step 5: Solve for x
x = 4,318,113,723.71/75,456.09 - Step 6: Final answer
x = 57,226.84
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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.