Finding the Fourth Proportional to 69,204.24, 103,639.92 and 39,532.08
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Solution
The fourth proportional to 69,204.24, 103,639.92 and 39,532.08 is: 59,203.04
Step by Step Solution
- Step 1: Write the proportion equation
69,204.24 : 103,639.92 = 39,532.08 : x - Step 2: Convert to fraction form
69,204.24/103,639.92 = 39,532.08/x - Step 3: Cross multiply
69,204.24x = 103,639.92 × 39,532.08 - Step 4: Simplify right side
69,204.24x = 4,097,101,608.63 - Step 5: Solve for x
x = 4,097,101,608.63/69,204.24 - Step 6: Final answer
x = 59,203.04
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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.