Finding the Fourth Proportional to 75,009.09, 103,512.29 and 41,475.09
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Solution
The fourth proportional to 75,009.09, 103,512.29 and 41,475.09 is: 57,235.48
Step by Step Solution
- Step 1: Write the proportion equation
75,009.09 : 103,512.29 = 41,475.09 : x - Step 2: Convert to fraction form
75,009.09/103,512.29 = 41,475.09/x - Step 3: Cross multiply
75,009.09x = 103,512.29 × 41,475.09 - Step 4: Simplify right side
75,009.09x = 4,293,181,336.48 - Step 5: Solve for x
x = 4,293,181,336.48/75,009.09 - Step 6: Final answer
x = 57,235.48
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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.