Finding the Fourth Proportional to 79,145.26, 109,220.06 and 43,334.62
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Solution
The fourth proportional to 79,145.26, 109,220.06 and 43,334.62 is: 59,801.56
Step by Step Solution
- Step 1: Write the proportion equation
79,145.26 : 109,220.06 = 43,334.62 : x - Step 2: Convert to fraction form
79,145.26/109,220.06 = 43,334.62/x - Step 3: Cross multiply
79,145.26x = 109,220.06 × 43,334.62 - Step 4: Simplify right side
79,145.26x = 4,733,009,796.48 - Step 5: Solve for x
x = 4,733,009,796.48/79,145.26 - Step 6: Final answer
x = 59,801.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.