Finding the Fourth Proportional to 75,616.68, 113,431.32 and 23,026.62
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Solution
The fourth proportional to 75,616.68, 113,431.32 and 23,026.62 is: 34,541.85
Step by Step Solution
- Step 1: Write the proportion equation
75,616.68 : 113,431.32 = 23,026.62 : x - Step 2: Convert to fraction form
75,616.68/113,431.32 = 23,026.62/x - Step 3: Cross multiply
75,616.68x = 113,431.32 × 23,026.62 - Step 4: Simplify right side
75,616.68x = 2,611,939,901.74 - Step 5: Solve for x
x = 2,611,939,901.74/75,616.68 - Step 6: Final answer
x = 34,541.85
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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.