Finding the Fourth Proportional to 98,323.36, 135,685.92 and 53,611.36
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Solution
The fourth proportional to 98,323.36, 135,685.92 and 53,611.36 is: 73,983.50
Step by Step Solution
- Step 1: Write the proportion equation
98,323.36 : 135,685.92 = 53,611.36 : x - Step 2: Convert to fraction form
98,323.36/135,685.92 = 53,611.36/x - Step 3: Cross multiply
98,323.36x = 135,685.92 × 53,611.36 - Step 4: Simplify right side
98,323.36x = 7,274,306,704.05 - Step 5: Solve for x
x = 7,274,306,704.05/98,323.36 - Step 6: Final answer
x = 73,983.50
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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.