Finding the Fourth Proportional to 73,614.24, 101,561.76 and 56,623.68
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Solution
The fourth proportional to 73,614.24, 101,561.76 and 56,623.68 is: 78,120.76
Step by Step Solution
- Step 1: Write the proportion equation
73,614.24 : 101,561.76 = 56,623.68 : x - Step 2: Convert to fraction form
73,614.24/101,561.76 = 56,623.68/x - Step 3: Cross multiply
73,614.24x = 101,561.76 × 56,623.68 - Step 4: Simplify right side
73,614.24x = 5,750,800,598.48 - Step 5: Solve for x
x = 5,750,800,598.48/73,614.24 - Step 6: Final answer
x = 78,120.76
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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.