Finding the Fourth Proportional to 73,762.63, 101,792.42 and 40,228.63
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Solution
The fourth proportional to 73,762.63, 101,792.42 and 40,228.63 is: 55,515.50
Step by Step Solution
- Step 1: Write the proportion equation
73,762.63 : 101,792.42 = 40,228.63 : x - Step 2: Convert to fraction form
73,762.63/101,792.42 = 40,228.63/x - Step 3: Cross multiply
73,762.63x = 101,792.42 × 40,228.63 - Step 4: Simplify right side
73,762.63x = 4,094,969,600.98 - Step 5: Solve for x
x = 4,094,969,600.98/73,762.63 - Step 6: Final answer
x = 55,515.50
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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.