Finding the Fourth Proportional to 77,750.28, 107,296.02 and 44,218.44
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Solution
The fourth proportional to 77,750.28, 107,296.02 and 44,218.44 is: 61,021.81
Step by Step Solution
- Step 1: Write the proportion equation
77,750.28 : 107,296.02 = 44,218.44 : x - Step 2: Convert to fraction form
77,750.28/107,296.02 = 44,218.44/x - Step 3: Cross multiply
77,750.28x = 107,296.02 × 44,218.44 - Step 4: Simplify right side
77,750.28x = 4,744,462,622.61 - Step 5: Solve for x
x = 4,744,462,622.61/77,750.28 - Step 6: Final answer
x = 61,021.81
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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.