Finding the Fourth Proportional to 76,820.77, 115,152.24 and 29,424.75
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Solution
The fourth proportional to 76,820.77, 115,152.24 and 29,424.75 is: 44,106.90
Step by Step Solution
- Step 1: Write the proportion equation
76,820.77 : 115,152.24 = 29,424.75 : x - Step 2: Convert to fraction form
76,820.77/115,152.24 = 29,424.75/x - Step 3: Cross multiply
76,820.77x = 115,152.24 × 29,424.75 - Step 4: Simplify right side
76,820.77x = 3,388,325,873.94 - Step 5: Solve for x
x = 3,388,325,873.94/76,820.77 - Step 6: Final answer
x = 44,106.90
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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.