Finding the Fourth Proportional to 91,704.26, 126,557.07 and 51,430.88
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Solution
The fourth proportional to 91,704.26, 126,557.07 and 51,430.88 is: 70,977.53
Step by Step Solution
- Step 1: Write the proportion equation
91,704.26 : 126,557.07 = 51,430.88 : x - Step 2: Convert to fraction form
91,704.26/126,557.07 = 51,430.88/x - Step 3: Cross multiply
91,704.26x = 126,557.07 × 51,430.88 - Step 4: Simplify right side
91,704.26x = 6,508,941,480.32 - Step 5: Solve for x
x = 6,508,941,480.32/91,704.26 - Step 6: Final answer
x = 70,977.53
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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.