Finding the Fourth Proportional to 70,869.61, 106,304.29 and 24,122.49
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Solution
The fourth proportional to 70,869.61, 106,304.29 and 24,122.49 is: 36,183.69
Step by Step Solution
- Step 1: Write the proportion equation
70,869.61 : 106,304.29 = 24,122.49 : x - Step 2: Convert to fraction form
70,869.61/106,304.29 = 24,122.49/x - Step 3: Cross multiply
70,869.61x = 106,304.29 × 24,122.49 - Step 4: Simplify right side
70,869.61x = 2,564,324,172.48 - Step 5: Solve for x
x = 2,564,324,172.48/70,869.61 - Step 6: Final answer
x = 36,183.69
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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.