Finding the Fourth Proportional to 87,202.62, 130,771.08 and 68,700.60
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Solution
The fourth proportional to 87,202.62, 130,771.08 and 68,700.60 is: 103,025.02
Step by Step Solution
- Step 1: Write the proportion equation
87,202.62 : 130,771.08 = 68,700.60 : x - Step 2: Convert to fraction form
87,202.62/130,771.08 = 68,700.60/x - Step 3: Cross multiply
87,202.62x = 130,771.08 × 68,700.60 - Step 4: Simplify right side
87,202.62x = 8,984,051,658.65 - Step 5: Solve for x
x = 8,984,051,658.65/87,202.62 - Step 6: Final answer
x = 103,025.02
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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.