Finding the Fourth Proportional to 75,713.79, 113,463.57 and 41,994.75
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Solution
The fourth proportional to 75,713.79, 113,463.57 and 41,994.75 is: 62,932.71
Step by Step Solution
- Step 1: Write the proportion equation
75,713.79 : 113,463.57 = 41,994.75 : x - Step 2: Convert to fraction form
75,713.79/113,463.57 = 41,994.75/x - Step 3: Cross multiply
75,713.79x = 113,463.57 × 41,994.75 - Step 4: Simplify right side
75,713.79x = 4,764,874,256.26 - Step 5: Solve for x
x = 4,764,874,256.26/75,713.79 - Step 6: Final answer
x = 62,932.71
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.