Finding the Fourth Proportional to 88,559.79, 122,208.84 and 48,272.67
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Solution
The fourth proportional to 88,559.79, 122,208.84 and 48,272.67 is: 66,614.28
Step by Step Solution
- Step 1: Write the proportion equation
88,559.79 : 122,208.84 = 48,272.67 : x - Step 2: Convert to fraction form
88,559.79/122,208.84 = 48,272.67/x - Step 3: Cross multiply
88,559.79x = 122,208.84 × 48,272.67 - Step 4: Simplify right side
88,559.79x = 5,899,347,004.40 - Step 5: Solve for x
x = 5,899,347,004.40/88,559.79 - Step 6: Final answer
x = 66,614.28
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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.