Finding the Fourth Proportional to 83,983.16, 125,992.48 and 27,820.08
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Solution
The fourth proportional to 83,983.16, 125,992.48 and 27,820.08 is: 41,736.00
Step by Step Solution
- Step 1: Write the proportion equation
83,983.16 : 125,992.48 = 27,820.08 : x - Step 2: Convert to fraction form
83,983.16/125,992.48 = 27,820.08/x - Step 3: Cross multiply
83,983.16x = 125,992.48 × 27,820.08 - Step 4: Simplify right side
83,983.16x = 3,505,120,873.00 - Step 5: Solve for x
x = 3,505,120,873.00/83,983.16 - Step 6: Final answer
x = 41,736.00
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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.