Finding the Fourth Proportional to 88,411.45, 122,007.68 and 48,125.08
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Solution
The fourth proportional to 88,411.45, 122,007.68 and 48,125.08 is: 66,412.55
Step by Step Solution
- Step 1: Write the proportion equation
88,411.45 : 122,007.68 = 48,125.08 : x - Step 2: Convert to fraction form
88,411.45/122,007.68 = 48,125.08/x - Step 3: Cross multiply
88,411.45x = 122,007.68 × 48,125.08 - Step 4: Simplify right side
88,411.45x = 5,871,629,119.99 - Step 5: Solve for x
x = 5,871,629,119.99/88,411.45 - Step 6: Final answer
x = 66,412.55
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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.