Finding the Fourth Proportional to 107,056.18, 160,586.87 and 35,979.85
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Solution
The fourth proportional to 107,056.18, 160,586.87 and 35,979.85 is: 53,970.65
Step by Step Solution
- Step 1: Write the proportion equation
107,056.18 : 160,586.87 = 35,979.85 : x - Step 2: Convert to fraction form
107,056.18/160,586.87 = 35,979.85/x - Step 3: Cross multiply
107,056.18x = 160,586.87 × 35,979.85 - Step 4: Simplify right side
107,056.18x = 5,777,891,314.67 - Step 5: Solve for x
x = 5,777,891,314.67/107,056.18 - Step 6: Final answer
x = 53,970.65
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1.5x scale
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.