Finding the Fourth Proportional to 89,630.64, 134,414.60 and 26,433.99
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Solution
The fourth proportional to 89,630.64, 134,414.60 and 26,433.99 is: 39,641.74
Step by Step Solution
- Step 1: Write the proportion equation
89,630.64 : 134,414.60 = 26,433.99 : x - Step 2: Convert to fraction form
89,630.64/134,414.60 = 26,433.99/x - Step 3: Cross multiply
89,630.64x = 134,414.60 × 26,433.99 - Step 4: Simplify right side
89,630.64x = 3,553,114,258.34 - Step 5: Solve for x
x = 3,553,114,258.34/89,630.64 - Step 6: Final answer
x = 39,641.74
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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.