Finding the Fourth Proportional to 72,745.06, 109,136.58 and 22,826.74
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Solution
The fourth proportional to 72,745.06, 109,136.58 and 22,826.74 is: 34,246.07
Step by Step Solution
- Step 1: Write the proportion equation
72,745.06 : 109,136.58 = 22,826.74 : x - Step 2: Convert to fraction form
72,745.06/109,136.58 = 22,826.74/x - Step 3: Cross multiply
72,745.06x = 109,136.58 × 22,826.74 - Step 4: Simplify right side
72,745.06x = 2,491,232,336.15 - Step 5: Solve for x
x = 2,491,232,336.15/72,745.06 - Step 6: Final answer
x = 34,246.07
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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.