Finding the Fourth Proportional to 107,035.80, 160,553.70 and 65,563.80
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Solution
The fourth proportional to 107,035.80, 160,553.70 and 65,563.80 is: 98,345.70
Step by Step Solution
- Step 1: Write the proportion equation
107,035.80 : 160,553.70 = 65,563.80 : x - Step 2: Convert to fraction form
107,035.80/160,553.70 = 65,563.80/x - Step 3: Cross multiply
107,035.80x = 160,553.70 × 65,563.80 - Step 4: Simplify right side
107,035.80x = 10,526,510,676.06 - Step 5: Solve for x
x = 10,526,510,676.06/107,035.80 - Step 6: Final answer
x = 98,345.70
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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.