Finding the Fourth Proportional to 71,462.24, 106,563.68 and 66,475.52
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Solution
The fourth proportional to 71,462.24, 106,563.68 and 66,475.52 is: 99,127.54
Step by Step Solution
- Step 1: Write the proportion equation
71,462.24 : 106,563.68 = 66,475.52 : x - Step 2: Convert to fraction form
71,462.24/106,563.68 = 66,475.52/x - Step 3: Cross multiply
71,462.24x = 106,563.68 × 66,475.52 - Step 4: Simplify right side
71,462.24x = 7,083,876,041.11 - Step 5: Solve for x
x = 7,083,876,041.11/71,462.24 - Step 6: Final answer
x = 99,127.54
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.