Finding the Fourth Proportional to 83,984.74, 125,983.80 and 27,822.58
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Solution
The fourth proportional to 83,984.74, 125,983.80 and 27,822.58 is: 41,736.09
Step by Step Solution
- Step 1: Write the proportion equation
83,984.74 : 125,983.80 = 27,822.58 : x - Step 2: Convert to fraction form
83,984.74/125,983.80 = 27,822.58/x - Step 3: Cross multiply
83,984.74x = 125,983.80 × 27,822.58 - Step 4: Simplify right side
83,984.74x = 3,505,194,354.20 - Step 5: Solve for x
x = 3,505,194,354.20/83,984.74 - Step 6: Final answer
x = 41,736.09
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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.