Finding the Fourth Proportional to 73,688.74, 101,692.11 and 43,481.41
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Solution
The fourth proportional to 73,688.74, 101,692.11 and 43,481.41 is: 60,005.32
Step by Step Solution
- Step 1: Write the proportion equation
73,688.74 : 101,692.11 = 43,481.41 : x - Step 2: Convert to fraction form
73,688.74/101,692.11 = 43,481.41/x - Step 3: Cross multiply
73,688.74x = 101,692.11 × 43,481.41 - Step 4: Simplify right side
73,688.74x = 4,421,716,328.68 - Step 5: Solve for x
x = 4,421,716,328.68/73,688.74 - Step 6: Final answer
x = 60,005.32
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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.