Finding the Fourth Proportional to 73,641.44, 101,625.12 and 40,107.68
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Solution
The fourth proportional to 73,641.44, 101,625.12 and 40,107.68 is: 55,348.56
Step by Step Solution
- Step 1: Write the proportion equation
73,641.44 : 101,625.12 = 40,107.68 : x - Step 2: Convert to fraction form
73,641.44/101,625.12 = 40,107.68/x - Step 3: Cross multiply
73,641.44x = 101,625.12 × 40,107.68 - Step 4: Simplify right side
73,641.44x = 4,075,947,792.92 - Step 5: Solve for x
x = 4,075,947,792.92/73,641.44 - Step 6: Final answer
x = 55,348.56
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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.