Finding the Fourth Proportional to 89,038.92, 122,873.26 and 48,751.95
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Solution
The fourth proportional to 89,038.92, 122,873.26 and 48,751.95 is: 67,277.44
Step by Step Solution
- Step 1: Write the proportion equation
89,038.92 : 122,873.26 = 48,751.95 : x - Step 2: Convert to fraction form
89,038.92/122,873.26 = 48,751.95/x - Step 3: Cross multiply
89,038.92x = 122,873.26 × 48,751.95 - Step 4: Simplify right side
89,038.92x = 5,990,310,784.10 - Step 5: Solve for x
x = 5,990,310,784.10/89,038.92 - Step 6: Final answer
x = 67,277.44
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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.