Finding the Fourth Proportional to 93,608.19, 129,161.37 and 53,321.07
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Solution
The fourth proportional to 93,608.19, 129,161.37 and 53,321.07 is: 73,572.86
Step by Step Solution
- Step 1: Write the proportion equation
93,608.19 : 129,161.37 = 53,321.07 : x - Step 2: Convert to fraction form
93,608.19/129,161.37 = 53,321.07/x - Step 3: Cross multiply
93,608.19x = 129,161.37 × 53,321.07 - Step 4: Simplify right side
93,608.19x = 6,887,022,451.07 - Step 5: Solve for x
x = 6,887,022,451.07/93,608.19 - Step 6: Final answer
x = 73,572.86
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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.