Finding the Fourth Proportional to 76,059.93, 104,959.35 and 43,793.18
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Solution
The fourth proportional to 76,059.93, 104,959.35 and 43,793.18 is: 60,432.65
Step by Step Solution
- Step 1: Write the proportion equation
76,059.93 : 104,959.35 = 43,793.18 : x - Step 2: Convert to fraction form
76,059.93/104,959.35 = 43,793.18/x - Step 3: Cross multiply
76,059.93x = 104,959.35 × 43,793.18 - Step 4: Simplify right side
76,059.93x = 4,596,503,182.44 - Step 5: Solve for x
x = 4,596,503,182.44/76,059.93 - Step 6: Final answer
x = 60,432.65
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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.