Finding the Fourth Proportional to 68,383.95, 102,565.67 and 21,630.75
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Solution
The fourth proportional to 68,383.95, 102,565.67 and 21,630.75 is: 32,442.88
Step by Step Solution
- Step 1: Write the proportion equation
68,383.95 : 102,565.67 = 21,630.75 : x - Step 2: Convert to fraction form
68,383.95/102,565.67 = 21,630.75/x - Step 3: Cross multiply
68,383.95x = 102,565.67 × 21,630.75 - Step 4: Simplify right side
68,383.95x = 2,218,572,258.20 - Step 5: Solve for x
x = 2,218,572,258.20/68,383.95 - Step 6: Final answer
x = 32,442.88
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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.