Finding the Fourth Proportional to 75,129.02, 112,698.99 and 22,542.60
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Solution
The fourth proportional to 75,129.02, 112,698.99 and 22,542.60 is: 33,815.54
Step by Step Solution
- Step 1: Write the proportion equation
75,129.02 : 112,698.99 = 22,542.60 : x - Step 2: Convert to fraction form
75,129.02/112,698.99 = 22,542.60/x - Step 3: Cross multiply
75,129.02x = 112,698.99 × 22,542.60 - Step 4: Simplify right side
75,129.02x = 2,540,528,251.97 - Step 5: Solve for x
x = 2,540,528,251.97/75,129.02 - Step 6: Final answer
x = 33,815.54
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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.