Finding the Fourth Proportional to 87,887.08, 131,847.58 and 28,706.84
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Solution
The fourth proportional to 87,887.08, 131,847.58 and 28,706.84 is: 43,065.80
Step by Step Solution
- Step 1: Write the proportion equation
87,887.08 : 131,847.58 = 28,706.84 : x - Step 2: Convert to fraction form
87,887.08/131,847.58 = 28,706.84/x - Step 3: Cross multiply
87,887.08x = 131,847.58 × 28,706.84 - Step 4: Simplify right side
87,887.08x = 3,784,927,383.45 - Step 5: Solve for x
x = 3,784,927,383.45/87,887.08 - Step 6: Final answer
x = 43,065.80
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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.