Finding the Fourth Proportional to 96,740.94, 145,107.72 and 39,812.70
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Solution
The fourth proportional to 96,740.94, 145,107.72 and 39,812.70 is: 59,717.53
Step by Step Solution
- Step 1: Write the proportion equation
96,740.94 : 145,107.72 = 39,812.70 : x - Step 2: Convert to fraction form
96,740.94/145,107.72 = 39,812.70/x - Step 3: Cross multiply
96,740.94x = 145,107.72 × 39,812.70 - Step 4: Simplify right side
96,740.94x = 5,777,130,124.04 - Step 5: Solve for x
x = 5,777,130,124.04/96,740.94 - Step 6: Final answer
x = 59,717.53
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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.