Finding the Fourth Proportional to 101,523.80, 140,104.13 and 56,205.99
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Solution
The fourth proportional to 101,523.80, 140,104.13 and 56,205.99 is: 77,564.97
Step by Step Solution
- Step 1: Write the proportion equation
101,523.80 : 140,104.13 = 56,205.99 : x - Step 2: Convert to fraction form
101,523.80/140,104.13 = 56,205.99/x - Step 3: Cross multiply
101,523.80x = 140,104.13 × 56,205.99 - Step 4: Simplify right side
101,523.80x = 7,874,691,048.71 - Step 5: Solve for x
x = 7,874,691,048.71/101,523.80 - Step 6: Final answer
x = 77,564.97
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.