Finding the Fourth Proportional to 68,135.51, 102,199.01 and 25,432.62
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Solution
The fourth proportional to 68,135.51, 102,199.01 and 25,432.62 is: 38,147.34
Step by Step Solution
- Step 1: Write the proportion equation
68,135.51 : 102,199.01 = 25,432.62 : x - Step 2: Convert to fraction form
68,135.51/102,199.01 = 25,432.62/x - Step 3: Cross multiply
68,135.51x = 102,199.01 × 25,432.62 - Step 4: Simplify right side
68,135.51x = 2,599,188,458.54 - Step 5: Solve for x
x = 2,599,188,458.54/68,135.51 - Step 6: Final answer
x = 38,147.34
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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.