Finding the Fourth Proportional to 79,583.01, 109,822.35 and 43,773.09
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Solution
The fourth proportional to 79,583.01, 109,822.35 and 43,773.09 is: 60,405.65
Step by Step Solution
- Step 1: Write the proportion equation
79,583.01 : 109,822.35 = 43,773.09 : x - Step 2: Convert to fraction form
79,583.01/109,822.35 = 43,773.09/x - Step 3: Cross multiply
79,583.01x = 109,822.35 × 43,773.09 - Step 4: Simplify right side
79,583.01x = 4,807,263,610.56 - Step 5: Solve for x
x = 4,807,263,610.56/79,583.01 - Step 6: Final answer
x = 60,405.65
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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.