Finding the Fourth Proportional to 89,015.97, 122,842.35 and 48,730.08
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Solution
The fourth proportional to 89,015.97, 122,842.35 and 48,730.08 is: 67,247.68
Step by Step Solution
- Step 1: Write the proportion equation
89,015.97 : 122,842.35 = 48,730.08 : x - Step 2: Convert to fraction form
89,015.97/122,842.35 = 48,730.08/x - Step 3: Cross multiply
89,015.97x = 122,842.35 × 48,730.08 - Step 4: Simplify right side
89,015.97x = 5,986,117,542.89 - Step 5: Solve for x
x = 5,986,117,542.89/89,015.97 - Step 6: Final answer
x = 67,247.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.