Finding the Fourth Proportional to 70,926.14, 106,425.12 and 47,249.84
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Solution
The fourth proportional to 70,926.14, 106,425.12 and 47,249.84 is: 70,898.68
Step by Step Solution
- Step 1: Write the proportion equation
70,926.14 : 106,425.12 = 47,249.84 : x - Step 2: Convert to fraction form
70,926.14/106,425.12 = 47,249.84/x - Step 3: Cross multiply
70,926.14x = 106,425.12 × 47,249.84 - Step 4: Simplify right side
70,926.14x = 5,028,569,891.98 - Step 5: Solve for x
x = 5,028,569,891.98/70,926.14 - Step 6: Final answer
x = 70,898.68
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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.