Finding the Fourth Proportional to 88,743.98, 122,467.14 and 48,457.74
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Solution
The fourth proportional to 88,743.98, 122,467.14 and 48,457.74 is: 66,871.92
Step by Step Solution
- Step 1: Write the proportion equation
88,743.98 : 122,467.14 = 48,457.74 : x - Step 2: Convert to fraction form
88,743.98/122,467.14 = 48,457.74/x - Step 3: Cross multiply
88,743.98x = 122,467.14 × 48,457.74 - Step 4: Simplify right side
88,743.98x = 5,934,480,187.70 - Step 5: Solve for x
x = 5,934,480,187.70/88,743.98 - Step 6: Final answer
x = 66,871.92
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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.