Finding the Fourth Proportional to 86,860.85, 130,410.84 and 44,195.10
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Solution
The fourth proportional to 86,860.85, 130,410.84 and 44,195.10 is: 66,353.49
Step by Step Solution
- Step 1: Write the proportion equation
86,860.85 : 130,410.84 = 44,195.10 : x - Step 2: Convert to fraction form
86,860.85/130,410.84 = 44,195.10/x - Step 3: Cross multiply
86,860.85x = 130,410.84 × 44,195.10 - Step 4: Simplify right side
86,860.85x = 5,763,520,114.88 - Step 5: Solve for x
x = 5,763,520,114.88/86,860.85 - Step 6: Final answer
x = 66,353.49
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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.