Finding the Fourth Proportional to 70,107.50, 105,161.48 and 17,516.99
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Solution
The fourth proportional to 70,107.50, 105,161.48 and 17,516.99 is: 26,275.54
Step by Step Solution
- Step 1: Write the proportion equation
70,107.50 : 105,161.48 = 17,516.99 : x - Step 2: Convert to fraction form
70,107.50/105,161.48 = 17,516.99/x - Step 3: Cross multiply
70,107.50x = 105,161.48 × 17,516.99 - Step 4: Simplify right side
70,107.50x = 1,842,112,593.55 - Step 5: Solve for x
x = 1,842,112,593.55/70,107.50 - Step 6: Final answer
x = 26,275.54
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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.