Finding the Fourth Proportional to 95,897.13, 132,276.29 and 63,631.05
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Solution
The fourth proportional to 95,897.13, 132,276.29 and 63,631.05 is: 87,769.87
Step by Step Solution
- Step 1: Write the proportion equation
95,897.13 : 132,276.29 = 63,631.05 : x - Step 2: Convert to fraction form
95,897.13/132,276.29 = 63,631.05/x - Step 3: Cross multiply
95,897.13x = 132,276.29 × 63,631.05 - Step 4: Simplify right side
95,897.13x = 8,416,878,904.65 - Step 5: Solve for x
x = 8,416,878,904.65/95,897.13 - Step 6: Final answer
x = 87,769.87
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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.