Finding the Fourth Proportional to 70,439.44, 105,603.56 and 34,912.99
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Solution
The fourth proportional to 70,439.44, 105,603.56 and 34,912.99 is: 52,341.93
Step by Step Solution
- Step 1: Write the proportion equation
70,439.44 : 105,603.56 = 34,912.99 : x - Step 2: Convert to fraction form
70,439.44/105,603.56 = 34,912.99/x - Step 3: Cross multiply
70,439.44x = 105,603.56 × 34,912.99 - Step 4: Simplify right side
70,439.44x = 3,686,936,034.24 - Step 5: Solve for x
x = 3,686,936,034.24/70,439.44 - Step 6: Final answer
x = 52,341.93
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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.