Finding the Fourth Proportional to 106,440.74, 159,664.88 and 26,479.12
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Solution
The fourth proportional to 106,440.74, 159,664.88 and 26,479.12 is: 39,719.62
Step by Step Solution
- Step 1: Write the proportion equation
106,440.74 : 159,664.88 = 26,479.12 : x - Step 2: Convert to fraction form
106,440.74/159,664.88 = 26,479.12/x - Step 3: Cross multiply
106,440.74x = 159,664.88 × 26,479.12 - Step 4: Simplify right side
106,440.74x = 4,227,785,517.31 - Step 5: Solve for x
x = 4,227,785,517.31/106,440.74 - Step 6: Final answer
x = 39,719.62
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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.