Finding the Fourth Proportional to 75,836.26, 113,662.14 and 53,656.06
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Solution
The fourth proportional to 75,836.26, 113,662.14 and 53,656.06 is: 80,418.82
Step by Step Solution
- Step 1: Write the proportion equation
75,836.26 : 113,662.14 = 53,656.06 : x - Step 2: Convert to fraction form
75,836.26/113,662.14 = 53,656.06/x - Step 3: Cross multiply
75,836.26x = 113,662.14 × 53,656.06 - Step 4: Simplify right side
75,836.26x = 6,098,662,603.57 - Step 5: Solve for x
x = 6,098,662,603.57/75,836.26 - Step 6: Final answer
x = 80,418.82
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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.