Finding the Fourth Proportional to 103,739.84, 155,624.16 and 33,596.48
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Solution
The fourth proportional to 103,739.84, 155,624.16 and 33,596.48 is: 50,399.38
Step by Step Solution
- Step 1: Write the proportion equation
103,739.84 : 155,624.16 = 33,596.48 : x - Step 2: Convert to fraction form
103,739.84/155,624.16 = 33,596.48/x - Step 3: Cross multiply
103,739.84x = 155,624.16 × 33,596.48 - Step 4: Simplify right side
103,739.84x = 5,228,423,978.96 - Step 5: Solve for x
x = 5,228,423,978.96/103,739.84 - Step 6: Final answer
x = 50,399.38
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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.