Finding the Fourth Proportional to 73,445.40, 110,135.70 and 29,057.40
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Solution
The fourth proportional to 73,445.40, 110,135.70 and 29,057.40 is: 43,573.28
Step by Step Solution
- Step 1: Write the proportion equation
73,445.40 : 110,135.70 = 29,057.40 : x - Step 2: Convert to fraction form
73,445.40/110,135.70 = 29,057.40/x - Step 3: Cross multiply
73,445.40x = 110,135.70 × 29,057.40 - Step 4: Simplify right side
73,445.40x = 3,200,257,089.18 - Step 5: Solve for x
x = 3,200,257,089.18/73,445.40 - Step 6: Final answer
x = 43,573.28
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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.