Finding the Fourth Proportional to 76,893.93, 115,178.76 and 48,799.17
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Solution
The fourth proportional to 76,893.93, 115,178.76 and 48,799.17 is: 73,095.86
Step by Step Solution
- Step 1: Write the proportion equation
76,893.93 : 115,178.76 = 48,799.17 : x - Step 2: Convert to fraction form
76,893.93/115,178.76 = 48,799.17/x - Step 3: Cross multiply
76,893.93x = 115,178.76 × 48,799.17 - Step 4: Simplify right side
76,893.93x = 5,620,627,889.63 - Step 5: Solve for x
x = 5,620,627,889.63/76,893.93 - Step 6: Final answer
x = 73,095.86
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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.