Finding the Fourth Proportional to 88,982.15, 122,795.33 and 48,695.90
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Solution
The fourth proportional to 88,982.15, 122,795.33 and 48,695.90 is: 67,200.32
Step by Step Solution
- Step 1: Write the proportion equation
88,982.15 : 122,795.33 = 48,695.90 : x - Step 2: Convert to fraction form
88,982.15/122,795.33 = 48,695.90/x - Step 3: Cross multiply
88,982.15x = 122,795.33 × 48,695.90 - Step 4: Simplify right side
88,982.15x = 5,979,628,252.69 - Step 5: Solve for x
x = 5,979,628,252.69/88,982.15 - Step 6: Final answer
x = 67,200.32
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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.