Finding the Fourth Proportional to 79,792.63, 119,734.57 and 40,352.65
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Solution
The fourth proportional to 79,792.63, 119,734.57 and 40,352.65 is: 60,552.05
Step by Step Solution
- Step 1: Write the proportion equation
79,792.63 : 119,734.57 = 40,352.65 : x - Step 2: Convert to fraction form
79,792.63/119,734.57 = 40,352.65/x - Step 3: Cross multiply
79,792.63x = 119,734.57 × 40,352.65 - Step 4: Simplify right side
79,792.63x = 4,831,606,947.21 - Step 5: Solve for x
x = 4,831,606,947.21/79,792.63 - Step 6: Final answer
x = 60,552.05
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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.