Finding the Fourth Proportional to 75,125.11, 103,672.67 and 41,135.75
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Solution
The fourth proportional to 75,125.11, 103,672.67 and 41,135.75 is: 56,767.34
Step by Step Solution
- Step 1: Write the proportion equation
75,125.11 : 103,672.67 = 41,135.75 : x - Step 2: Convert to fraction form
75,125.11/103,672.67 = 41,135.75/x - Step 3: Cross multiply
75,125.11x = 103,672.67 × 41,135.75 - Step 4: Simplify right side
75,125.11x = 4,264,653,034.95 - Step 5: Solve for x
x = 4,264,653,034.95/75,125.11 - Step 6: Final answer
x = 56,767.34
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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.