Finding the Fourth Proportional to 86,896.80, 130,351.14 and 27,736.95
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Solution
The fourth proportional to 86,896.80, 130,351.14 and 27,736.95 is: 41,607.32
Step by Step Solution
- Step 1: Write the proportion equation
86,896.80 : 130,351.14 = 27,736.95 : x - Step 2: Convert to fraction form
86,896.80/130,351.14 = 27,736.95/x - Step 3: Cross multiply
86,896.80x = 130,351.14 × 27,736.95 - Step 4: Simplify right side
86,896.80x = 3,615,543,052.62 - Step 5: Solve for x
x = 3,615,543,052.62/86,896.80 - Step 6: Final answer
x = 41,607.32
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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.