Finding the Fourth Proportional to 88,738.01, 122,457.52 and 48,451.65
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Solution
The fourth proportional to 88,738.01, 122,457.52 and 48,451.65 is: 66,862.77
Step by Step Solution
- Step 1: Write the proportion equation
88,738.01 : 122,457.52 = 48,451.65 : x - Step 2: Convert to fraction form
88,738.01/122,457.52 = 48,451.65/x - Step 3: Cross multiply
88,738.01x = 122,457.52 × 48,451.65 - Step 4: Simplify right side
88,738.01x = 5,933,268,898.91 - Step 5: Solve for x
x = 5,933,268,898.91/88,738.01 - Step 6: Final answer
x = 66,862.77
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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.