Finding the Fourth Proportional to 106,525.84, 159,733.12 and 31,635.68
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Solution
The fourth proportional to 106,525.84, 159,733.12 and 31,635.68 is: 47,437.00
Step by Step Solution
- Step 1: Write the proportion equation
106,525.84 : 159,733.12 = 31,635.68 : x - Step 2: Convert to fraction form
106,525.84/159,733.12 = 31,635.68/x - Step 3: Cross multiply
106,525.84x = 159,733.12 × 31,635.68 - Step 4: Simplify right side
106,525.84x = 5,053,265,869.72 - Step 5: Solve for x
x = 5,053,265,869.72/106,525.84 - Step 6: Final answer
x = 47,437.00
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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.