Finding the Fourth Proportional to 76,098.76, 114,126.36 and 29,340.88
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Solution
The fourth proportional to 76,098.76, 114,126.36 and 29,340.88 is: 44,002.92
Step by Step Solution
- Step 1: Write the proportion equation
76,098.76 : 114,126.36 = 29,340.88 : x - Step 2: Convert to fraction form
76,098.76/114,126.36 = 29,340.88/x - Step 3: Cross multiply
76,098.76x = 114,126.36 × 29,340.88 - Step 4: Simplify right side
76,098.76x = 3,348,567,833.60 - Step 5: Solve for x
x = 3,348,567,833.60/76,098.76 - Step 6: Final answer
x = 44,002.92
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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.