Finding the Fourth Proportional to 70,694.24, 105,898.12 and 32,689.51
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Solution
The fourth proportional to 70,694.24, 105,898.12 and 32,689.51 is: 48,968.03
Step by Step Solution
- Step 1: Write the proportion equation
70,694.24 : 105,898.12 = 32,689.51 : x - Step 2: Convert to fraction form
70,694.24/105,898.12 = 32,689.51/x - Step 3: Cross multiply
70,694.24x = 105,898.12 × 32,689.51 - Step 4: Simplify right side
70,694.24x = 3,461,757,306.25 - Step 5: Solve for x
x = 3,461,757,306.25/70,694.24 - Step 6: Final answer
x = 48,968.03
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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.