Finding the Fourth Proportional to 75,816.84, 113,744.70 and 29,073.36
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Solution
The fourth proportional to 75,816.84, 113,744.70 and 29,073.36 is: 43,617.49
Step by Step Solution
- Step 1: Write the proportion equation
75,816.84 : 113,744.70 = 29,073.36 : x - Step 2: Convert to fraction form
75,816.84/113,744.70 = 29,073.36/x - Step 3: Cross multiply
75,816.84x = 113,744.70 × 29,073.36 - Step 4: Simplify right side
75,816.84x = 3,306,940,611.19 - Step 5: Solve for x
x = 3,306,940,611.19/75,816.84 - Step 6: Final answer
x = 43,617.49
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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.