Finding the Fourth Proportional to 88,682.69, 122,384.70 and 48,399.05
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Solution
The fourth proportional to 88,682.69, 122,384.70 and 48,399.05 is: 66,792.09
Step by Step Solution
- Step 1: Write the proportion equation
88,682.69 : 122,384.70 = 48,399.05 : x - Step 2: Convert to fraction form
88,682.69/122,384.70 = 48,399.05/x - Step 3: Cross multiply
88,682.69x = 122,384.70 × 48,399.05 - Step 4: Simplify right side
88,682.69x = 5,923,302,360.62 - Step 5: Solve for x
x = 5,923,302,360.62/88,682.69 - Step 6: Final answer
x = 66,792.09
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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.