Finding the Fourth Proportional to 87,029.64, 130,504.14 and 27,852.12
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Solution
The fourth proportional to 87,029.64, 130,504.14 and 27,852.12 is: 41,765.28
Step by Step Solution
- Step 1: Write the proportion equation
87,029.64 : 130,504.14 = 27,852.12 : x - Step 2: Convert to fraction form
87,029.64/130,504.14 = 27,852.12/x - Step 3: Cross multiply
87,029.64x = 130,504.14 × 27,852.12 - Step 4: Simplify right side
87,029.64x = 3,634,816,967.78 - Step 5: Solve for x
x = 3,634,816,967.78/87,029.64 - Step 6: Final answer
x = 41,765.28
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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.