Finding the Fourth Proportional to 98,541.24, 147,816.96 and 47,986.80
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Solution
The fourth proportional to 98,541.24, 147,816.96 and 47,986.80 is: 71,982.68
Step by Step Solution
- Step 1: Write the proportion equation
98,541.24 : 147,816.96 = 47,986.80 : x - Step 2: Convert to fraction form
98,541.24/147,816.96 = 47,986.80/x - Step 3: Cross multiply
98,541.24x = 147,816.96 × 47,986.80 - Step 4: Simplify right side
98,541.24x = 7,093,262,896.13 - Step 5: Solve for x
x = 7,093,262,896.13/98,541.24 - Step 6: Final answer
x = 71,982.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.