Finding the Fourth Proportional to 88,743.99, 122,466.23 and 48,457.78
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Solution
The fourth proportional to 88,743.99, 122,466.23 and 48,457.78 is: 66,871.47
Step by Step Solution
- Step 1: Write the proportion equation
88,743.99 : 122,466.23 = 48,457.78 : x - Step 2: Convert to fraction form
88,743.99/122,466.23 = 48,457.78/x - Step 3: Cross multiply
88,743.99x = 122,466.23 × 48,457.78 - Step 4: Simplify right side
88,743.99x = 5,934,440,776.15 - Step 5: Solve for x
x = 5,934,440,776.15/88,743.99 - Step 6: Final answer
x = 66,871.47
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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.