Finding the Fourth Proportional to 70,957.91, 106,423.49 and 26,575.17
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Solution
The fourth proportional to 70,957.91, 106,423.49 and 26,575.17 is: 39,857.75
Step by Step Solution
- Step 1: Write the proportion equation
70,957.91 : 106,423.49 = 26,575.17 : x - Step 2: Convert to fraction form
70,957.91/106,423.49 = 26,575.17/x - Step 3: Cross multiply
70,957.91x = 106,423.49 × 26,575.17 - Step 4: Simplify right side
70,957.91x = 2,828,222,205.87 - Step 5: Solve for x
x = 2,828,222,205.87/70,957.91 - Step 6: Final answer
x = 39,857.75
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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.