Finding the Fourth Proportional to 92,245.60, 138,408.61 and 32,317.07
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Solution
The fourth proportional to 92,245.60, 138,408.61 and 32,317.07 is: 48,489.69
Step by Step Solution
- Step 1: Write the proportion equation
92,245.60 : 138,408.61 = 32,317.07 : x - Step 2: Convert to fraction form
92,245.60/138,408.61 = 32,317.07/x - Step 3: Cross multiply
92,245.60x = 138,408.61 × 32,317.07 - Step 4: Simplify right side
92,245.60x = 4,472,960,737.97 - Step 5: Solve for x
x = 4,472,960,737.97/92,245.60 - Step 6: Final answer
x = 48,489.69
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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.