Finding the Fourth Proportional to 94,839.44, 130,879.80 and 52,398.95
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Solution
The fourth proportional to 94,839.44, 130,879.80 and 52,398.95 is: 72,311.31
Step by Step Solution
- Step 1: Write the proportion equation
94,839.44 : 130,879.80 = 52,398.95 : x - Step 2: Convert to fraction form
94,839.44/130,879.80 = 52,398.95/x - Step 3: Cross multiply
94,839.44x = 130,879.80 × 52,398.95 - Step 4: Simplify right side
94,839.44x = 6,857,964,096.21 - Step 5: Solve for x
x = 6,857,964,096.21/94,839.44 - Step 6: Final answer
x = 72,311.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.