Finding the Fourth Proportional to 76,822.44, 105,958.98 and 58,714.08
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Solution
The fourth proportional to 76,822.44, 105,958.98 and 58,714.08 is: 80,982.64
Step by Step Solution
- Step 1: Write the proportion equation
76,822.44 : 105,958.98 = 58,714.08 : x - Step 2: Convert to fraction form
76,822.44/105,958.98 = 58,714.08/x - Step 3: Cross multiply
76,822.44x = 105,958.98 × 58,714.08 - Step 4: Simplify right side
76,822.44x = 6,221,284,028.44 - Step 5: Solve for x
x = 6,221,284,028.44/76,822.44 - Step 6: Final answer
x = 80,982.64
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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.