Finding the Fourth Proportional to 89,091.54, 122,946.35 and 48,806.75
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Solution
The fourth proportional to 89,091.54, 122,946.35 and 48,806.75 is: 67,353.32
Step by Step Solution
- Step 1: Write the proportion equation
89,091.54 : 122,946.35 = 48,806.75 : x - Step 2: Convert to fraction form
89,091.54/122,946.35 = 48,806.75/x - Step 3: Cross multiply
89,091.54x = 122,946.35 × 48,806.75 - Step 4: Simplify right side
89,091.54x = 6,000,610,909.10 - Step 5: Solve for x
x = 6,000,610,909.10/89,091.54 - Step 6: Final answer
x = 67,353.32
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1.5x scale
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.