Finding the Fourth Proportional to 77,334.24, 106,717.68 and 43,800.48
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Solution
The fourth proportional to 77,334.24, 106,717.68 and 43,800.48 is: 60,442.64
Step by Step Solution
- Step 1: Write the proportion equation
77,334.24 : 106,717.68 = 43,800.48 : x - Step 2: Convert to fraction form
77,334.24/106,717.68 = 43,800.48/x - Step 3: Cross multiply
77,334.24x = 106,717.68 × 43,800.48 - Step 4: Simplify right side
77,334.24x = 4,674,285,608.49 - Step 5: Solve for x
x = 4,674,285,608.49/77,334.24 - Step 6: Final answer
x = 60,442.64
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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.