Finding the Fourth Proportional to 73,532.40, 110,354.22 and 53,862.09
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Solution
The fourth proportional to 73,532.40, 110,354.22 and 53,862.09 is: 80,833.88
Step by Step Solution
- Step 1: Write the proportion equation
73,532.40 : 110,354.22 = 53,862.09 : x - Step 2: Convert to fraction form
73,532.40/110,354.22 = 53,862.09/x - Step 3: Cross multiply
73,532.40x = 110,354.22 × 53,862.09 - Step 4: Simplify right side
73,532.40x = 5,943,908,929.52 - Step 5: Solve for x
x = 5,943,908,929.52/73,532.40 - Step 6: Final answer
x = 80,833.88
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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.