Finding the Fourth Proportional to 71,174.16, 106,955.24 and 37,917.99
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Solution
The fourth proportional to 71,174.16, 106,955.24 and 37,917.99 is: 56,980.34
Step by Step Solution
- Step 1: Write the proportion equation
71,174.16 : 106,955.24 = 37,917.99 : x - Step 2: Convert to fraction form
71,174.16/106,955.24 = 37,917.99/x - Step 3: Cross multiply
71,174.16x = 106,955.24 × 37,917.99 - Step 4: Simplify right side
71,174.16x = 4,055,527,531.18 - Step 5: Solve for x
x = 4,055,527,531.18/71,174.16 - Step 6: Final answer
x = 56,980.34
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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.