Finding the Fourth Proportional to 106,121.82, 159,170.58 and 39,564.12
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Solution
The fourth proportional to 106,121.82, 159,170.58 and 39,564.12 is: 59,341.65
Step by Step Solution
- Step 1: Write the proportion equation
106,121.82 : 159,170.58 = 39,564.12 : x - Step 2: Convert to fraction form
106,121.82/159,170.58 = 39,564.12/x - Step 3: Cross multiply
106,121.82x = 159,170.58 × 39,564.12 - Step 4: Simplify right side
106,121.82x = 6,297,443,927.59 - Step 5: Solve for x
x = 6,297,443,927.59/106,121.82 - Step 6: Final answer
x = 59,341.65
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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.