Finding the Fourth Proportional to 68,768.58, 103,163.80 and 24,388.88
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Solution
The fourth proportional to 68,768.58, 103,163.80 and 24,388.88 is: 36,587.20
Step by Step Solution
- Step 1: Write the proportion equation
68,768.58 : 103,163.80 = 24,388.88 : x - Step 2: Convert to fraction form
68,768.58/103,163.80 = 24,388.88/x - Step 3: Cross multiply
68,768.58x = 103,163.80 × 24,388.88 - Step 4: Simplify right side
68,768.58x = 2,516,049,538.54 - Step 5: Solve for x
x = 2,516,049,538.54/68,768.58 - Step 6: Final answer
x = 36,587.20
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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.