Finding the Fourth Proportional to 88,558.76, 122,212.38 and 48,272.54
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Solution
The fourth proportional to 88,558.76, 122,212.38 and 48,272.54 is: 66,616.80
Step by Step Solution
- Step 1: Write the proportion equation
88,558.76 : 122,212.38 = 48,272.54 : x - Step 2: Convert to fraction form
88,558.76/122,212.38 = 48,272.54/x - Step 3: Cross multiply
88,558.76x = 122,212.38 × 48,272.54 - Step 4: Simplify right side
88,558.76x = 5,899,501,209.96 - Step 5: Solve for x
x = 5,899,501,209.96/88,558.76 - Step 6: Final answer
x = 66,616.80
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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.