Finding the Fourth Proportional to 98,376.75, 135,760.05 and 53,664.75
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Solution
The fourth proportional to 98,376.75, 135,760.05 and 53,664.75 is: 74,057.43
Step by Step Solution
- Step 1: Write the proportion equation
98,376.75 : 135,760.05 = 53,664.75 : x - Step 2: Convert to fraction form
98,376.75/135,760.05 = 53,664.75/x - Step 3: Cross multiply
98,376.75x = 135,760.05 × 53,664.75 - Step 4: Simplify right side
98,376.75x = 7,285,529,143.24 - Step 5: Solve for x
x = 7,285,529,143.24/98,376.75 - Step 6: Final answer
x = 74,057.43
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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.