Finding the Fourth Proportional to 75,622.68, 113,440.32 and 23,032.62
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Solution
The fourth proportional to 75,622.68, 113,440.32 and 23,032.62 is: 34,550.85
Step by Step Solution
- Step 1: Write the proportion equation
75,622.68 : 113,440.32 = 23,032.62 : x - Step 2: Convert to fraction form
75,622.68/113,440.32 = 23,032.62/x - Step 3: Cross multiply
75,622.68x = 113,440.32 × 23,032.62 - Step 4: Simplify right side
75,622.68x = 2,612,827,783.24 - Step 5: Solve for x
x = 2,612,827,783.24/75,622.68 - Step 6: Final answer
x = 34,550.85
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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.