Finding the Fourth Proportional to 68,088.36, 102,135.24 and 23,719.62
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Solution
The fourth proportional to 68,088.36, 102,135.24 and 23,719.62 is: 35,580.37
Step by Step Solution
- Step 1: Write the proportion equation
68,088.36 : 102,135.24 = 23,719.62 : x - Step 2: Convert to fraction form
68,088.36/102,135.24 = 23,719.62/x - Step 3: Cross multiply
68,088.36x = 102,135.24 × 23,719.62 - Step 4: Simplify right side
68,088.36x = 2,422,609,081.41 - Step 5: Solve for x
x = 2,422,609,081.41/68,088.36 - Step 6: Final answer
x = 35,580.37
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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.