Finding the Fourth Proportional to 73,360.55, 109,967.92 and 43,733.99
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Solution
The fourth proportional to 73,360.55, 109,967.92 and 43,733.99 is: 65,557.52
Step by Step Solution
- Step 1: Write the proportion equation
73,360.55 : 109,967.92 = 43,733.99 : x - Step 2: Convert to fraction form
73,360.55/109,967.92 = 43,733.99/x - Step 3: Cross multiply
73,360.55x = 109,967.92 × 43,733.99 - Step 4: Simplify right side
73,360.55x = 4,809,336,243.19 - Step 5: Solve for x
x = 4,809,336,243.19/73,360.55 - Step 6: Final answer
x = 65,557.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.