Finding the Fourth Proportional to 77,375.61, 106,824.92 and 50,562.99
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Solution
The fourth proportional to 77,375.61, 106,824.92 and 50,562.99 is: 69,807.36
Step by Step Solution
- Step 1: Write the proportion equation
77,375.61 : 106,824.92 = 50,562.99 : x - Step 2: Convert to fraction form
77,375.61/106,824.92 = 50,562.99/x - Step 3: Cross multiply
77,375.61x = 106,824.92 × 50,562.99 - Step 4: Simplify right side
77,375.61x = 5,401,387,108.90 - Step 5: Solve for x
x = 5,401,387,108.90/77,375.61 - Step 6: Final answer
x = 69,807.36
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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.