Finding the Fourth Proportional to 87,775.84, 131,646.48 and 32,358.88
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Solution
The fourth proportional to 87,775.84, 131,646.48 and 32,358.88 is: 48,531.95
Step by Step Solution
- Step 1: Write the proportion equation
87,775.84 : 131,646.48 = 32,358.88 : x - Step 2: Convert to fraction form
87,775.84/131,646.48 = 32,358.88/x - Step 3: Cross multiply
87,775.84x = 131,646.48 × 32,358.88 - Step 4: Simplify right side
87,775.84x = 4,259,932,648.74 - Step 5: Solve for x
x = 4,259,932,648.74/87,775.84 - Step 6: Final answer
x = 48,531.95
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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.