Finding the Fourth Proportional to 93,754.92, 129,378.66 and 53,481.72
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Solution
The fourth proportional to 93,754.92, 129,378.66 and 53,481.72 is: 73,802.99
Step by Step Solution
- Step 1: Write the proportion equation
93,754.92 : 129,378.66 = 53,481.72 : x - Step 2: Convert to fraction form
93,754.92/129,378.66 = 53,481.72/x - Step 3: Cross multiply
93,754.92x = 129,378.66 × 53,481.72 - Step 4: Simplify right side
93,754.92x = 6,919,393,268.10 - Step 5: Solve for x
x = 6,919,393,268.10/93,754.92 - Step 6: Final answer
x = 73,802.99
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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.