Finding the Fourth Proportional to 88,957.81, 122,760.69 and 48,670.99
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Solution
The fourth proportional to 88,957.81, 122,760.69 and 48,670.99 is: 67,165.37
Step by Step Solution
- Step 1: Write the proportion equation
88,957.81 : 122,760.69 = 48,670.99 : x - Step 2: Convert to fraction form
88,957.81/122,760.69 = 48,670.99/x - Step 3: Cross multiply
88,957.81x = 122,760.69 × 48,670.99 - Step 4: Simplify right side
88,957.81x = 5,974,884,516.49 - Step 5: Solve for x
x = 5,974,884,516.49/88,957.81 - Step 6: Final answer
x = 67,165.37
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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.