Finding the Fourth Proportional to 88,704.15, 122,412.87 and 48,419.07
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Solution
The fourth proportional to 88,704.15, 122,412.87 and 48,419.07 is: 66,818.94
Step by Step Solution
- Step 1: Write the proportion equation
88,704.15 : 122,412.87 = 48,419.07 : x - Step 2: Convert to fraction form
88,704.15/122,412.87 = 48,419.07/x - Step 3: Cross multiply
88,704.15x = 122,412.87 × 48,419.07 - Step 4: Simplify right side
88,704.15x = 5,927,117,321.43 - Step 5: Solve for x
x = 5,927,117,321.43/88,704.15 - Step 6: Final answer
x = 66,818.94
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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.