Finding the Fourth Proportional to 71,246.71, 106,835.56 and 29,110.06
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Solution
The fourth proportional to 71,246.71, 106,835.56 and 29,110.06 is: 43,650.99
Step by Step Solution
- Step 1: Write the proportion equation
71,246.71 : 106,835.56 = 29,110.06 : x - Step 2: Convert to fraction form
71,246.71/106,835.56 = 29,110.06/x - Step 3: Cross multiply
71,246.71x = 106,835.56 × 29,110.06 - Step 4: Simplify right side
71,246.71x = 3,109,989,322.03 - Step 5: Solve for x
x = 3,109,989,322.03/71,246.71 - Step 6: Final answer
x = 43,650.99
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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.