Finding the Fourth Proportional to 95,790.18, 143,685.21 and 45,177.44
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Solution
The fourth proportional to 95,790.18, 143,685.21 and 45,177.44 is: 67,766.12
Step by Step Solution
- Step 1: Write the proportion equation
95,790.18 : 143,685.21 = 45,177.44 : x - Step 2: Convert to fraction form
95,790.18/143,685.21 = 45,177.44/x - Step 3: Cross multiply
95,790.18x = 143,685.21 × 45,177.44 - Step 4: Simplify right side
95,790.18x = 6,491,329,235.24 - Step 5: Solve for x
x = 6,491,329,235.24/95,790.18 - Step 6: Final answer
x = 67,766.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.