Finding the Fourth Proportional to 88,793.21, 122,532.55 and 48,507.12
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Solution
The fourth proportional to 88,793.21, 122,532.55 and 48,507.12 is: 66,938.69
Step by Step Solution
- Step 1: Write the proportion equation
88,793.21 : 122,532.55 = 48,507.12 : x - Step 2: Convert to fraction form
88,793.21/122,532.55 = 48,507.12/x - Step 3: Cross multiply
88,793.21x = 122,532.55 × 48,507.12 - Step 4: Simplify right side
88,793.21x = 5,943,700,985.49 - Step 5: Solve for x
x = 5,943,700,985.49/88,793.21 - Step 6: Final answer
x = 66,938.69
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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.