Finding the Fourth Proportional to 76,998.24, 115,477.32 and 32,602.16
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Solution
The fourth proportional to 76,998.24, 115,477.32 and 32,602.16 is: 48,894.75
Step by Step Solution
- Step 1: Write the proportion equation
76,998.24 : 115,477.32 = 32,602.16 : x - Step 2: Convert to fraction form
76,998.24/115,477.32 = 32,602.16/x - Step 3: Cross multiply
76,998.24x = 115,477.32 × 32,602.16 - Step 4: Simplify right side
76,998.24x = 3,764,810,063.01 - Step 5: Solve for x
x = 3,764,810,063.01/76,998.24 - Step 6: Final answer
x = 48,894.75
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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.