Finding the Fourth Proportional to 71,143.08, 106,700.04 and 26,148.92
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Solution
The fourth proportional to 71,143.08, 106,700.04 and 26,148.92 is: 39,218.02
Step by Step Solution
- Step 1: Write the proportion equation
71,143.08 : 106,700.04 = 26,148.92 : x - Step 2: Convert to fraction form
71,143.08/106,700.04 = 26,148.92/x - Step 3: Cross multiply
71,143.08x = 106,700.04 × 26,148.92 - Step 4: Simplify right side
71,143.08x = 2,790,090,809.96 - Step 5: Solve for x
x = 2,790,090,809.96/71,143.08 - Step 6: Final answer
x = 39,218.02
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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.