Finding the Fourth Proportional to 86,350.36, 129,525.36 and 27,191.20
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Solution
The fourth proportional to 86,350.36, 129,525.36 and 27,191.20 is: 40,786.74
Step by Step Solution
- Step 1: Write the proportion equation
86,350.36 : 129,525.36 = 27,191.20 : x - Step 2: Convert to fraction form
86,350.36/129,525.36 = 27,191.20/x - Step 3: Cross multiply
86,350.36x = 129,525.36 × 27,191.20 - Step 4: Simplify right side
86,350.36x = 3,521,949,968.83 - Step 5: Solve for x
x = 3,521,949,968.83/86,350.36 - Step 6: Final answer
x = 40,786.74
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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.