Finding the Fourth Proportional to 102,487.38, 141,444.54 and 60,045
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Solution
The fourth proportional to 102,487.38, 141,444.54 and 60,045 is: 82,869.10
Step by Step Solution
- Step 1: Write the proportion equation
102,487.38 : 141,444.54 = 60,045 : x - Step 2: Convert to fraction form
102,487.38/141,444.54 = 60,045/x - Step 3: Cross multiply
102,487.38x = 141,444.54 × 60,045 - Step 4: Simplify right side
102,487.38x = 8,493,037,404.30 - Step 5: Solve for x
x = 8,493,037,404.30/102,487.38 - Step 6: Final answer
x = 82,869.10
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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.