Finding the Fourth Proportional to 88,632.75, 122,313.58 and 48,347.38
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Solution
The fourth proportional to 88,632.75, 122,313.58 and 48,347.38 is: 66,719.59
Step by Step Solution
- Step 1: Write the proportion equation
88,632.75 : 122,313.58 = 48,347.38 : x - Step 2: Convert to fraction form
88,632.75/122,313.58 = 48,347.38/x - Step 3: Cross multiply
88,632.75x = 122,313.58 × 48,347.38 - Step 4: Simplify right side
88,632.75x = 5,913,541,163.44 - Step 5: Solve for x
x = 5,913,541,163.44/88,632.75 - Step 6: Final answer
x = 66,719.59
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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.