Finding the Fourth Proportional to 95,630.24, 131,963.92 and 53,187.36
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Solution
The fourth proportional to 95,630.24, 131,963.92 and 53,187.36 is: 73,395.32
Step by Step Solution
- Step 1: Write the proportion equation
95,630.24 : 131,963.92 = 53,187.36 : x - Step 2: Convert to fraction form
95,630.24/131,963.92 = 53,187.36/x - Step 3: Cross multiply
95,630.24x = 131,963.92 × 53,187.36 - Step 4: Simplify right side
95,630.24x = 7,018,812,520.05 - Step 5: Solve for x
x = 7,018,812,520.05/95,630.24 - Step 6: Final answer
x = 73,395.32
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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.