Finding the Fourth Proportional to 77,350.24, 106,739.76 and 43,816.48
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Solution
The fourth proportional to 77,350.24, 106,739.76 and 43,816.48 is: 60,464.72
Step by Step Solution
- Step 1: Write the proportion equation
77,350.24 : 106,739.76 = 43,816.48 : x - Step 2: Convert to fraction form
77,350.24/106,739.76 = 43,816.48/x - Step 3: Cross multiply
77,350.24x = 106,739.76 × 43,816.48 - Step 4: Simplify right side
77,350.24x = 4,676,960,559.24 - Step 5: Solve for x
x = 4,676,960,559.24/77,350.24 - Step 6: Final answer
x = 60,464.72
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1.5x scale
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.