Finding the Fourth Proportional to 76,799.37, 115,006.68 and 48,634.47
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Solution
The fourth proportional to 76,799.37, 115,006.68 and 48,634.47 is: 72,829.88
Step by Step Solution
- Step 1: Write the proportion equation
76,799.37 : 115,006.68 = 48,634.47 : x - Step 2: Convert to fraction form
76,799.37/115,006.68 = 48,634.47/x - Step 3: Cross multiply
76,799.37x = 115,006.68 × 48,634.47 - Step 4: Simplify right side
76,799.37x = 5,593,288,928.26 - Step 5: Solve for x
x = 5,593,288,928.26/76,799.37 - Step 6: Final answer
x = 72,829.88
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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.