Finding the Fourth Proportional to 95,573.68, 131,882.20 and 53,128.08
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Solution
The fourth proportional to 95,573.68, 131,882.20 and 53,128.08 is: 73,311.48
Step by Step Solution
- Step 1: Write the proportion equation
95,573.68 : 131,882.20 = 53,128.08 : x - Step 2: Convert to fraction form
95,573.68/131,882.20 = 53,128.08/x - Step 3: Cross multiply
95,573.68x = 131,882.20 × 53,128.08 - Step 4: Simplify right side
95,573.68x = 7,006,648,072.18 - Step 5: Solve for x
x = 7,006,648,072.18/95,573.68 - Step 6: Final answer
x = 73,311.48
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1.5x scale
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.