Finding the Fourth Proportional to 68,515.70, 102,773.55 and 33,523.70
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Solution
The fourth proportional to 68,515.70, 102,773.55 and 33,523.70 is: 50,285.55
Step by Step Solution
- Step 1: Write the proportion equation
68,515.70 : 102,773.55 = 33,523.70 : x - Step 2: Convert to fraction form
68,515.70/102,773.55 = 33,523.70/x - Step 3: Cross multiply
68,515.70x = 102,773.55 × 33,523.70 - Step 4: Simplify right side
68,515.70x = 3,445,349,658.14 - Step 5: Solve for x
x = 3,445,349,658.14/68,515.70 - Step 6: Final answer
x = 50,285.55
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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.