Finding the Fourth Proportional to 75,350.44, 113,476.84 and 68,624.34
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Solution
The fourth proportional to 75,350.44, 113,476.84 and 68,624.34 is: 103,347.42
Step by Step Solution
- Step 1: Write the proportion equation
75,350.44 : 113,476.84 = 68,624.34 : x - Step 2: Convert to fraction form
75,350.44/113,476.84 = 68,624.34/x - Step 3: Cross multiply
75,350.44x = 113,476.84 × 68,624.34 - Step 4: Simplify right side
75,350.44x = 7,787,273,250.29 - Step 5: Solve for x
x = 7,787,273,250.29/75,350.44 - Step 6: Final answer
x = 103,347.42
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.