Finding the Fourth Proportional to 86,933.87, 130,399.41 and 27,769.15
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Solution
The fourth proportional to 86,933.87, 130,399.41 and 27,769.15 is: 41,653.28
Step by Step Solution
- Step 1: Write the proportion equation
86,933.87 : 130,399.41 = 27,769.15 : x - Step 2: Convert to fraction form
86,933.87/130,399.41 = 27,769.15/x - Step 3: Cross multiply
86,933.87x = 130,399.41 × 27,769.15 - Step 4: Simplify right side
86,933.87x = 3,621,080,637.36 - Step 5: Solve for x
x = 3,621,080,637.36/86,933.87 - Step 6: Final answer
x = 41,653.28
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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.