Finding the Fourth Proportional to 75,724.40, 113,586.60 and 23,133.80
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Solution
The fourth proportional to 75,724.40, 113,586.60 and 23,133.80 is: 34,700.70
Step by Step Solution
- Step 1: Write the proportion equation
75,724.40 : 113,586.60 = 23,133.80 : x - Step 2: Convert to fraction form
75,724.40/113,586.60 = 23,133.80/x - Step 3: Cross multiply
75,724.40x = 113,586.60 × 23,133.80 - Step 4: Simplify right side
75,724.40x = 2,627,689,687.08 - Step 5: Solve for x
x = 2,627,689,687.08/75,724.40 - Step 6: Final answer
x = 34,700.70
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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.