Finding the Fourth Proportional to 98,773.41, 136,306.26 and 53,450.40
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Solution
The fourth proportional to 98,773.41, 136,306.26 and 53,450.40 is: 73,760.99
Step by Step Solution
- Step 1: Write the proportion equation
98,773.41 : 136,306.26 = 53,450.40 : x - Step 2: Convert to fraction form
98,773.41/136,306.26 = 53,450.40/x - Step 3: Cross multiply
98,773.41x = 136,306.26 × 53,450.40 - Step 4: Simplify right side
98,773.41x = 7,285,623,912.36 - Step 5: Solve for x
x = 7,285,623,912.36/98,773.41 - Step 6: Final answer
x = 73,760.99
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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.