Finding the Fourth Proportional to 72,556.44, 108,813.99 and 28,173.70
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Solution
The fourth proportional to 72,556.44, 108,813.99 and 28,173.70 is: 42,252.52
Step by Step Solution
- Step 1: Write the proportion equation
72,556.44 : 108,813.99 = 28,173.70 : x - Step 2: Convert to fraction form
72,556.44/108,813.99 = 28,173.70/x - Step 3: Cross multiply
72,556.44x = 108,813.99 × 28,173.70 - Step 4: Simplify right side
72,556.44x = 3,065,692,710.06 - Step 5: Solve for x
x = 3,065,692,710.06/72,556.44 - Step 6: Final answer
x = 42,252.52
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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.