Finding the Fourth Proportional to 88,674.21, 122,503.69 and 58,119.81
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Solution
The fourth proportional to 88,674.21, 122,503.69 and 58,119.81 is: 80,292.69
Step by Step Solution
- Step 1: Write the proportion equation
88,674.21 : 122,503.69 = 58,119.81 : x - Step 2: Convert to fraction form
88,674.21/122,503.69 = 58,119.81/x - Step 3: Cross multiply
88,674.21x = 122,503.69 × 58,119.81 - Step 4: Simplify right side
88,674.21x = 7,119,890,582.41 - Step 5: Solve for x
x = 7,119,890,582.41/88,674.21 - Step 6: Final answer
x = 80,292.69
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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.