Finding the Fourth Proportional to 88,740.18, 122,466.42 and 48,457.70
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Solution
The fourth proportional to 88,740.18, 122,466.42 and 48,457.70 is: 66,874.34
Step by Step Solution
- Step 1: Write the proportion equation
88,740.18 : 122,466.42 = 48,457.70 : x - Step 2: Convert to fraction form
88,740.18/122,466.42 = 48,457.70/x - Step 3: Cross multiply
88,740.18x = 122,466.42 × 48,457.70 - Step 4: Simplify right side
88,740.18x = 5,934,441,040.43 - Step 5: Solve for x
x = 5,934,441,040.43/88,740.18 - Step 6: Final answer
x = 66,874.34
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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.