Finding the Fourth Proportional to 74,694.36, 112,041.54 and 22,108.44
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Solution
The fourth proportional to 74,694.36, 112,041.54 and 22,108.44 is: 33,162.66
Step by Step Solution
- Step 1: Write the proportion equation
74,694.36 : 112,041.54 = 22,108.44 : x - Step 2: Convert to fraction form
74,694.36/112,041.54 = 22,108.44/x - Step 3: Cross multiply
74,694.36x = 112,041.54 × 22,108.44 - Step 4: Simplify right side
74,694.36x = 2,477,063,664.60 - Step 5: Solve for x
x = 2,477,063,664.60/74,694.36 - Step 6: Final answer
x = 33,162.66
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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.