Finding the Fourth Proportional to 68,120.58, 102,216.41 and 38,596.08
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Solution
The fourth proportional to 68,120.58, 102,216.41 and 38,596.08 is: 57,914.26
Step by Step Solution
- Step 1: Write the proportion equation
68,120.58 : 102,216.41 = 38,596.08 : x - Step 2: Convert to fraction form
68,120.58/102,216.41 = 38,596.08/x - Step 3: Cross multiply
68,120.58x = 102,216.41 × 38,596.08 - Step 4: Simplify right side
68,120.58x = 3,945,152,737.67 - Step 5: Solve for x
x = 3,945,152,737.67/68,120.58 - Step 6: Final answer
x = 57,914.26
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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.