Finding the Fourth Proportional to 90,463.37, 124,757.72 and 56,474.99
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Solution
The fourth proportional to 90,463.37, 124,757.72 and 56,474.99 is: 77,884.46
Step by Step Solution
- Step 1: Write the proportion equation
90,463.37 : 124,757.72 = 56,474.99 : x - Step 2: Convert to fraction form
90,463.37/124,757.72 = 56,474.99/x - Step 3: Cross multiply
90,463.37x = 124,757.72 × 56,474.99 - Step 4: Simplify right side
90,463.37x = 7,045,690,989.42 - Step 5: Solve for x
x = 7,045,690,989.42/90,463.37 - Step 6: Final answer
x = 77,884.46
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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.