Finding the Fourth Proportional to 73,645.47, 110,481.98 and 40,347.18
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Solution
The fourth proportional to 73,645.47, 110,481.98 and 40,347.18 is: 60,528.31
Step by Step Solution
- Step 1: Write the proportion equation
73,645.47 : 110,481.98 = 40,347.18 : x - Step 2: Convert to fraction form
73,645.47/110,481.98 = 40,347.18/x - Step 3: Cross multiply
73,645.47x = 110,481.98 × 40,347.18 - Step 4: Simplify right side
73,645.47x = 4,457,636,132.08 - Step 5: Solve for x
x = 4,457,636,132.08/73,645.47 - Step 6: Final answer
x = 60,528.31
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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.