Finding the Fourth Proportional to 79,246.90, 109,350.99 and 50,163.90
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Solution
The fourth proportional to 79,246.90, 109,350.99 and 50,163.90 is: 69,220.02
Step by Step Solution
- Step 1: Write the proportion equation
79,246.90 : 109,350.99 = 50,163.90 : x - Step 2: Convert to fraction form
79,246.90/109,350.99 = 50,163.90/x - Step 3: Cross multiply
79,246.90x = 109,350.99 × 50,163.90 - Step 4: Simplify right side
79,246.90x = 5,485,472,127.26 - Step 5: Solve for x
x = 5,485,472,127.26/79,246.90 - Step 6: Final answer
x = 69,220.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.